Damn, I haven't tried this, but TomsHardware pretty well flushes it out. Using the 780G, they get 1080P playback using a Sempron 3200+ (which is total crap)
http://www.tomshardware.com/2008/03/04/amd_780g_chipset/page3.html Using a 3800+ X2, available many places sub $65, Blue Ray decoding at 20% CPU Usage. Ding Ding. Actually, from our playing with it, the Athlon LE-1620 works like a song on it with nary a hiccup. CW
