I ordered a Q700 few days ago. Estimated ship date is 8/27, so it may take a while to get here from China. I'll post my impressions when I get it. I plan to use it with a small HDTV on the kitchen counter. I had planned to use an MP45-DR as the HTPC, but the MP45 seems to fry hard drives. Other than than, the MP45 was more than adequate for the recording and playback job (with two atsc tuners installed). So, I suspect that the Q700, with similar specs, will be good enough for kitchen counter duty. (I'm also building a more powerful HTPC using the Antec MicroFusion 350 case, for use in the family room.)
Here are the specs for the Q700: do a Google search on "qseries_techspecs_080409.pdf". I cannot put the URL in this post, since I am a new member, and I need to do three posts before I am allowed to put a URL in a post!
Full Disclosure: I retired from IBM, and Lenovo bought the IBM ThinkPad business.