I've been looking at good but not overly expensive trail cams and the two 2009 hot picks seemed to be the Bushnell Trophy Cam and Scoutguard SG550, both based on the same core electronics. I suspect there may be some good prices when the new 2010 models come out.
For 2010 it is a month or so early, but the 2010 Bushnell Trophy Cam XLT and UWay NightTrakker NT50IR both look interesting, and are upgrades to the 2009 BTC and SG550.