Here's a list of the websites that we visit on a regular basis:

Midwest45s.org - our buddy Scott's incredible Great Lakes reservoir of knowledge! I Love Music
I Love Everything
Craigslist Chicago
Popsike
2nd Hand Tunes (read the bottom of the page, it's a laugh riot!)
Mr. Hyde Records
Record Store Review
Deadspin (for all you sports fans!)

eBay related pages:

rhonda_beers
houseboats - highest prices first
auctions where people misspell the word Beatles