Irishcycling.com - good for keeping up with what is going on in the old country
Cycling weekly - very England centred, but seeing as I am living here at the mo, has it's moments
Cyclingfans - for those times when some dullard has forgotten that no work can happen on big race days
Cyclingfever - very handy for rider start lists, and an increasingly useful interview database that I'm only properly starting to utilise now
NYC Velocity - though I confess normally just for "Toto"
And the usual assortment of random race, team and rider websites, wiki, and very occasionally, even the
UCI website.