AWESOME review of the dirtwise school- I'm going to one with Raines in a few weeks and im all jacked up about it!
One tip I've learned from breaking lots of things is to use zip ties to hold your shrouds to your radiators. If you dont have braces with relocating brackets on them, just use zipties to fasten the lower, leading edges of the shrouds.
If something grabs the shroud, it'll just pop the ziptie, instead of tweaking or ripping your radiators up. I learned this the hard way.
'If you wanna play tough, you better be stupid!'