@Andy: Your latest kernel works on my AOA150:
nkbj@hafnium:~$ uname -a Linux hafnium 2.6.28-11-generic #38~lp319825apw2 SMP Fri Mar 27 11:46:14 UTC 2009 i686 GNU/Linux nkbj@hafnium:~$ lsmod | grep acer acer_wmi 24260 0 led_class 12036 2 ath5k,acer_wmi
@Andy: Your latest kernel works on my AOA150:
nkbj@hafnium:~$ uname -a
Linux hafnium 2.6.28-11-generic #38~lp319825apw2 SMP Fri Mar 27 11:46:14 UTC 2009 i686 GNU/Linux
nkbj@hafnium:~$ lsmod | grep acer
acer_wmi 24260 0
led_class 12036 2 ath5k,acer_wmi