Newegg have pretty good deal on pretty powerful HTPC including integrated Radeon 4200 with HDMI out,sound,network and all regular stuff.
Other components include:
AMD Phenom II X3 720 Black Edition 2.8Ghz CPU
4Gb of DDR2 PC2-6400 Ram
1Tb WD Black Caviar Drive (7200rpm/32mb Cache/Dual controllers)
LG BD/DVD-ROM drive
and
Antec M FusionRemote 350 Micro ATX Media Center / HTPC Case Black
w/ Power Supply 80 PLUS Certified 350W - Included IR receiver and remote
All for $480 + Shipping
Pretty good deal if you'd ask me - thou I still think that ION is better budget choice for htpc - this config surely have much more muscles.
Hurry, before it'll run out of stock
http://www.newegg.com/Product/ComboBundleDetails.aspx?ItemList=Combo.319346
Note: Kit doesn't include Operating System
