Giant has been building great value cyclocross bikes for a few years now, and it seems that every year their TCX series gets more and more attractive. For 2011 their TCX 1 comes with a full Sram Rival component group, mated with some Giant house brand bits (stem, post, bars, rims, etc.) to keep the cost down. What you end up with is excellent value.
What's more, the bike looks nice. Little touches like white brake hoods and cable housing go a long way to making a 'value' pick look like a boutique bike.
If you're looking to commute thru the local concrete jungle, if you want an all purpose fitness bike, or if you'd like to take up cyclocross racing, the TCX 1 is an entry point that will keep you satisfied for many years.