Bedliner - DIY?

I want to do a DIY bedliner, with a kit.

What's a better option? Roll-On? or Spray-on? I have access to a decent size compressor if I do spray-on.

I assume both require similar amounts of prep, scuffing the box, etc. I imagine the spray-on would also require significant masking in order to prevent overspray. Which type holds up better to abuse?

 

A friend of mine did both. He sprayed the corners, seams and under the bed rails (spots hard to get with a roller), then he rolled out the bed.