This usb adapter did work in 9.04. Currently it is able to list some wireless networks but no signal strength. Also it is unable to connect to --ANY-- network, WEP/WPA/WPA2 and open networks.
This spam is from dmesg and hopefully helpful to you.
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[ 1383.080680] phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x07 failed for offset 0x1004 with error -19.
[ 1383.080686] phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x06 failed for offset 0x1004 with error -19.
[ 1383.080690] phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x07 failed for offset 0x0208 with error -19.
[ 1383.080694] phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x06 failed for offset 0x0208 with error -19.
[ 1383.080697] phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x06 failed for offset 0x1004 with error -19.
[ 1383.080701] phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x06 failed for offset 0x1204 with error -19.
[ 1383.080704] phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x06 failed for offset 0x1328 with error -19.
[ 1383.080708] phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x07 failed for offset 0x0208 with error -19.
[ 1383.080711] phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x0c failed for offset 0x0000 with error -19.
[ 1383.080717] phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x07 failed for offset 0x7010 with error -19.
[ 1383.080820] phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x07 failed for offset 0x7010 with error -19.
[ 1383.080923] phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x07 failed for offset 0x7010 with error -19.
[ 1383.081026] phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x07 failed for offset 0x7010 with error -19.
[ 1383.081130] phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x07 failed for offset 0x7010 with error -19.
[ 1383.081233] phy0 -> rt2x00usb_regbusy_read: Error - Indirect register access failed: offset=0x00007010, value=0xf70b3d84
[ 1383.081237] phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x07 failed for offset 0x7010 with error -19.
[ 1383.081340] phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x07 failed for offset 0x7010 with error -19.
[ 1383.081443] phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x07 failed for offset 0x7010 with error -19.
[ 1383.081545] phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x07 failed for offset 0x7010 with error -19.
[ 1383.081648] phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x07 failed for offset 0x7010 with error -19.
[ 1383.081750] phy0 -> rt2x00usb_regbusy_read: Error - Indirect register access failed: offset=0x00007010, value=0xf70b3d8c
[ 1383.081820] phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x07 failed for offset 0x7010 with error -19.
[ 1383.081923] phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x07 failed for offset 0x7010 with error -19.
[ 1383.082026] phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x07 failed for offset 0x7010 with error -19.
[ 1383.082128] phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x07 failed for offset 0x7010 with error -19.
[ 1383.082231] phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x07 failed for offset 0x7010 with error -19.
[ 1383.082333] phy0 -> rt2x00usb_regbusy_read: Error - Indirect register access failed: offset=0x00007010, value=0xf70b3d94
[ 1383.082355] phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x07 failed for offset 0x7010 with error -19.
[ 1383.082458] phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x07 failed for offset 0x7010 with error -19.
[ 1383.082560] phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x07 failed for offset 0x7010 with error -19.
[ 1383.082663] phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x07 failed for offset 0x7010 with error -19.
[ 1383.082766] phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x07 failed for offset 0x7010 with error -19.
[ 1383.082868] phy0 -> rt2x00usb_regbusy_read: Error - Indirect register access failed: offset=0x00007010, value=0xf70b3d94
[ 1383.082889] phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x07 failed for offset 0x7010 with error -19.
[ 1383.082992] phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x07 failed for offset 0x7010 with error -19.
[ 1383.083094] phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x07 failed for offset 0x7010 with error -19.
[ 1383.083197] phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x07 failed for offset 0x7010 with error -19.
[ 1383.083300] phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x07 failed for offset 0x7010 with error -19.
[ 1383.083402] phy0 -> rt2x00usb_regbusy_read: Error - Indirect register access failed: offset=0x00007010, value=0xf70b3d94
this persists in the 9.10 beta release.