I'm currently using a Cuddeback Capture IR for a similar purpose. We've had some problems with a couple of local teens from my daughter's class vandalizing our vehicles and property, so I want to get a picture of them to take to the parents. I have the camera mounted in a 2nd story window with a suction-cup mount I found at Staples. It's been there about a month now with no trouble.
I've gotten pictures of us coming and going, as well as the mailman delivering packages. I also got a picture of a stranger leaving a note on my Jeep (offering to buy it!). I'm confident that it will catch the vandals when they strike again.
Yes, the IR flash does light up red at night, but unless you're looking directly at it, you're not likely to notice it. Picture quality is no worse than some of the security camera footage that you see in the news, etc. The other benefit is the date/time stamp on each picture.
The camera "wakes up" pretty quickly. The only drawback I see is that it only takes a single picture at a time, with a minimum of a 30 second delay between detections. So it will take only 1 picture every 30 seconds if there is continuous motion.
Since it sounds like you're considering using the camera on an undeveloped peroperty, I would suggest using a "bear safe" type box for the camera and attaching it to a tree with lag screws. That was my original plan, but I couldn't get the camera aimed to the right spot, so I rigged up the window mount. I had the bear safe screwed to the tree with 3/8" lag screws 4" long. It would have been really tough to get that camera off the tree! But I would still put the camera up out of reach, otherwise the bad guy just might put a knife through the camera lens out of spite. You'd still have the pics, but your camera would be trashed.
Good luck! Hopefully you catch the scumbag!
Edit: here's a pic of the guy who left the note on my Jeep. When I look at the full-size pic on my computer, it would be fairly easy to identify the guy. I'll post a night-time pic in a day or 2, when I check the camera again.