CD/DVD burner w/ lightscribe
touch pad and it's on/off switch
BCM4311 (Broadcom wireless with proprietary driver)
nVidia 6150 GO graphics (proprietary driver) (glxgears gives higher frame rates than in Gloria & Isadora)
volume and other media buttons
USB ports

Lightscribe works after adding 2 packages from Lightscribe.com and one from LaCie
Added nVidia graphics driver, ver. 256.53, from manufacturers site.
Added Broadcom-STA driver per tutorial in LM Community

Triple booted with WinXP and LM 9 (Isadora)