shellbryson
macrumors 6502
Apart from the basic end user features like search, sidebar, explorer, ie7 and all the out of the box software and overall the improvement of the ease of use of the OS.
There the redesigned network architecture thats easier to set up and improves performance. The graphic and overall performance optimizations and some high level features like SuperFetch and ReadyBoost.
And then there is all the security related features (which all by themselves are a big deal)
And thats just some stuff, for example, Vista does audio differently than XP, its more stable as it doesn't run on a kernel level which means you can update drivers without restarting and has some cool features like the mixer which allows you to set different volumes for every apps, its those minor improvements all around that when added up really make a difference.
Audio in Vista is REALLY nice. Please can we have that in Leopard? 😀
BTW, they said the same thing about drivers with Windows XP... it just never worked in reality.