t1r will be easier to handle on asphalt
pro4 is a rad car but a hand-full for the novice.
parts wise and price take a look, but usually ebay is flooded with xray parts for cheap...
pro4 is and will remain more current, maybe take a look at a losi xxx-s if you want simplicity amd speed- the car requires minimal set-up and is mad-easy to drive. I miss mine sometimes
word.