I think your mistaken on the graphics front:
http://lensfire.in/37207/news/benchmark-results-of-amd-a4-4000-apu-revealed/
For HTPC it's solid value. Best value for CPU power definitely the g1610.
yes well, the IGP difference is probably more significant than what I was thinking,
the igp "cores" should be slower than Kabini's IGP (which is not a lot faster than the mobile "HD2500" CPUs), but there is dual channel memory, much higher clock and I would think for most games a single PD module at 3.2Ghz is probably better than 4 jaguar cores at 1.5...