Man that's tempting, my old HTPC in the living room could use a replacement. Shame there is no HDMI port though. What's the noise like? are they reasonably quiet? assuming they just use basic fans, but I guess I could just buy replacements. Also, possible typo:
Most motherboards can provide sound over DVI nowadays, although I wouldn't swear it with these particular ones - worth asking OcUK though.
flibby, The G530 DOES have H.264 decoding in hardware as far as I'm aware - it just doesn't have the nice filtering (noise removal, sharpening etc), so isn't quite as nice. I believe it still uses the onboard graphics rather than the CPU, though, so shouldn't be ramping up CPU usage too high. I'd still take the AMD for HTPC usage, as it's a far better performer for the usage.