I've had great luck with my Moultrie M60 but I'm going to be buying one of the Scout Guard 550's as soon as it supports an SD card larger than 2gb.
I got an email response from HCO yesterday about the sd size and they said that the next model released would support at least a 4gb card.

If a 2gb card is big enough for you then it sounds like it's the camera to have this year.

Here is a recent thread on it:
http://www.huntingnet.com/forum/tm.aspx?m=2882026