I bought a new dell about 7 months ago and had ordered Vista Home on it. After using it for 4 months and continually having problems readjusting myself to it, I opted to remove it and to replace it with xp-pro. The main things I hated about Vista was the new windows explorer configuration, it was a power hungry monster, the control panel changed which made it tougher to make changes, that moronic user-permissions popup which was disabled but the security center constantly sent me messages that the user-permission had been disabled.
I also hated the fact that vista's windows mail was not compatible with outlook express although outlook express was compatible with Vista.
Vista's windows mail was an eyesore too. Previously in xp, I would locate and clear-out the .dbx files under outlook express and was able to do so with ease since outlook express listed the folders separately whereas vista did not list them at all. Windows mail was one big screwup in my opinion. If you had a problem with a message in windows mail, you had to clear out all the messages just to find the one giving the problem whereas in xp's outlook express, you merely went to the .dbx folder and cleared out its contents only which let you keep your other messages.
IE7 was a big eyesore too. I used it for about a week and hated it since it had 2 functions missing that I used all the time in IE6. Those 2 functions were not listed and is still not listed as add-ons for IE7. They were the mail tab on the toolbar which allowed the user to send mail without opening up the entire email program. The other function was the pictures toolbar that showed up when the mouse hovered over a pic.
Changing the fonts and other settings on the display used to be really simple in XP. All the tabs were in 1 place and not all over the place as they are in Vista.
Being in the computer repair business, I've heard from many clients that wished they would have purchased xp instead of vista. I've yet to hear from anyone that I personally know that likes Vista. Everyone has had problems with it. To me, Vista is another Windows-ME. Hopefully, Microsoft will see the light at the end of the tunnel and realize they screwed up. XP is by far the most user-friendly operating system I've ever used and VISTA has to be one of the most moronic, confusing, user-unfriendly operating system that I hope to never see again...ever!
I almost forgot another problem with Vista. It is the defragger. What a joke! You're better off to get a free defragger from download.com such as auslogic.