I saw this on newegg yesterday and have been doing web searches for reviews. With the exception of people complaining about the unit not being eligible for a free Win7 upgrade, I don't see too many downsides and it's taking all of my willpower not to click the purchase icon.
The only real downsides I see is that it comes with a woefully inadequate power supply (280?) and the onboard video isn't powerful enough for gamers. Both of those minuses can be readily and cheaply fixed though with the purchase of a more powerful PS and video card and still make this an incredible deal. I liked the fact that it comes with 6gb ram and can be upgraded to 8 (4 ram slots/only 3 used).
What makes me hesitate is that I haven't been able to find anything about drive expansion for this unit. It comes with the 650gb HD and DVD Burner but does the motherboard support additional drives? I'm also not impressed with the lenova website or their support. There was nearly nothing on there about this unit (specs) and the reviews on newegg about hour long waits by phone were not encouraging either. I'd also like to know if the hardware would support a downgrade from Vista to XP. Alas, their website doesn't even produce a pdf of a user manual or driver downloads.
All in all, I'm still thinking hard about this one. As someone who is still using her old home-built P4/2.8 to get things done, this would be a major upgrade but I've never been accused of being an impulsive shopper. I have until the 12th to make up my mind.