"Best computer I've ever owned"5.0 starson by talmy
Pros: Superb screen resolution, quality, and size. Quiet operation. Fast. New Magic Mouse gives best features of trackpad. Simple, elegant design minimizes distractions and aids productivity. Keyboard layout identical to Apple notebooks. OS X.
Cons: Awkward access for DVD drive . Needs ESATA. Needs more USB. Not upgradable (except RAM). 3yr warranty should be standard. Expensive.
Summary: I've had one for six months now (CNET, you are really late!) and reviewed this early on under the other 27" model. I use my i7 iMac (with 8GB RAM) heavily for "content creation" -- text, programming, engineering CAD, photos, illustration, and video. I don't play games or use it for other entertainment (I've got other computers for that). So the lack of HDMI and BluRay are not issues for me. I wish it had an CF card slot as well as SD, but I already have an external reader, so that isn't a big issue.
The system gets a heavy workout with a dozen or more programs open at a time, and often several large ones. It handles the load with no problem and is always quiet. The large display is great for Photoshop and Aperture as well as video. I've got a second display attached so I can run Windows full-screen simultaneously with OS X, and I frequently do video capture of CAD sessions within WIndows using OS X tools for capture and post-production.
The new Magic Mouse is great if you use a light touch (not so much if you are heavy-handed) and by installing BetterTouchTool you get programmable multi-touch swipes making it the most effective mouse I've ever used. The new wireless keyboard will upset 10-key users but has the advantage of having the same layout and feel as the MacBooks, making it easy to switch back and forth. I do admit to liking a full-throw, "clicky" keyboard, so I've attached a 20 year old Northgate Omnikey which is completely compatible.
I've used WIndows 7, and in fact have been a Windows user since 2.1. Even though 7 has some nice usability features I still find OS X superior, but it does take some learning to realize it's full potential. If you use applications that take advantage of OS X features (and are not just WIndows ports) everything just seems to run so slick and smooth. I recommend going to an Apple store and getting an hour of hands-on time and try it out. Bring in your media and try out the applications.