Im a Switcher, i switched earlier this year and will never look back!!! goodbye windoze...lol
these sites helped me a lot
http://www.mac-forums.com/forums/forumdisplay.php?f=8 and
http://www.ehmac.ca/forum.php
and dont forget you can run windows on a mac via bootcamp (comes with Leopard) or Parallels
http://www.parallels.com/en/products/desktop/