I did some research on the net and found this info out. All i've used in the past is a Stealth Cam 35mm (that sucked because of having to get pics developed) and now I have 2 Wildgame Innovations IR4's- which I can't stand. They have the slowest trigger speed, over 2.0 seconds!
Moultrie d-50:
*5.0 mp
*45ft flash range
*Trigger speed 1.25 sec.
Primos "Truth Cam" I-35
*3.0 mp
*40 ft range
*Trigger speed 1.5 sec
I also have been interested in the Cuddeback IR and Cuddeback Capture:
Cuddeback Capture IR:
*not sure how many mp
*50ft range
*Trigger speed less than 1 sec.
Cuddeback Capture:
*not sure how many mp
*45ft flash
*Trigger speed less than 1 sec.