for what its worth, i ordered my Raptor and TRX around the same time (TRX was 11k under MSRP and Raptor was at MSRP). Got my TRX a few months ago and it has been fun. I cant complain, just looks like an inflated Rebel in the lot. Its fast, gas isnt as good as you are getting but its not bad (i average around 13.1 mpg). I still have my raptor on order but snagged a Code Orange Gen 3 37 from local dealer as they messed up the pricing. I get a touch better mileage with the raptor at 14.4mpg, but its not worlds different. I Prefer the raptor after having it 2 weeks. I like the interior better as well as the center dash for the speedo. I have not taken the Raptor off roading, but have with the TRX. I do plan to get rid of the TRX soon as i have no need to 2 pickups.
Not sure if this helps, but if you love the TRX (i never did fully embrace it) then i would keep it. The sound is amazing (i have a trackhawk as well as my family mover, so i am fully into the speed and sound). The Gen3 wont touch it in speed, or in sound. but it does sound like an angry GTR.