My Favorites

Search Engines:
dogpile.com --composite search from multiple search engines
google.ca --it's Canadian, Eh!
gMail.com  --1 Gig of email storage!
SearchBug.Com --find ppl by Name, address, phone#, email etc.

Magazines:
gizmodo.com --gadgets etc
slashdot.org --news for nerds
megatokyo.com --internet comic

cheap hardware:
tigerdirect.ca --the old misco good deals
freeafterrebate.info --in the US tho
slickdeals.net --in the US tho
ebay.ca --bid carefully

Movie stuff:
doom9.net --DivX, DVD2VCD

Troubleshooting:
windowsupdate.microsoft.com
officeupdate.microsoft.com
dnsstuff.com --dns lookups from the web etc

Mtg:
woodstockmagic.blogspot.com --Magic in Woodstock!!
mtgontario.com
magictraders.com
magicworkstaion.com --software to help build decks and play online