Upgrade/fix Rustler or buy CRT .5?

[Finnster]

Got a new LMT 1920/10 on 4S for my rustler. Brutally brutally fast. But, the rusty has been my BL beater for a few years and needs lots of rear-end work (basically replace everything) to get it back up to where it upto the power and drives nicely. See the thread here for the FLM tranny decisions.

Plus, I've been driving/part-time racing my Revo for a while, and drving the rusty again makes it feel very sloppy. Plus 4wd rocks.

Question is, should I bother upgrading the rusty up to LMT stds, or just go with a CRT .5. I really like what I see of the truck, a 4wd 1/10 would be awesome, and the handling should be much, much better. The cost of the Rusty upgrades is looking like $150 w/o going crazy, but I can get Mike's conv kit for that (and request the CRT a nice Xmas gift ;) )

I want it to be mostly a basher, but if I did a few races w/ the CRT that would be cool as well. How tuff is the truck looking? As tough as a rusty (the king tank of basher RCs.)