Comment Start-bar aka Dock! (Score 1) 792
I have to say, being one of those closet users who has always admired the OSX Dock (and chosen to emulate it as close as possible whenever using Linux), I have to say after using Win7 for a couple of months I love the new start-bar! Finally almost 15 years (roughly since Win95) of pretty poor UI design when you consider the the Start-Menu and task bar, finally Windows has a task bar that *works*!
All it needs in the next version is to cut off the unused part (up to the sys-tray) then it will truely be a Dock! Seriously for those of you who have tested Win7, how many of you have found that your applications almost never fill up the entire bar? With everything stacked (properly stacked that is not like in previous Windows's) even with my usual 5-10 apps running the icons at most take 2/3 of the task bar, it's great.
Although it has to be said it is a personal thing, some people will of course choose to ungroup their start bar icons, and make it all more like the old versions, those are probably the same people who have 50+ program icons (not documents) on their desktops.