I will definitely do this eventually on my 99 TJ. I'm tired of all the wet carpets and the trail scratches. Haha
I am going to do the U-Pol Raptor DIY Raptor kit. I like the texture and am spraying my interior and hardtop the factory tan color and the body the forest green pearl color (which are the colors i have now but they are clear coated not bed lined)
The U-Pol bedliner offers the tintable version where you can color the liner. the entire kit for the black or the tintable (clear) includes the sprayer and the hardener for about $100. But with the tintable, you need to mix 10% urathane base coat with it to get the color and that'll cost you around $50-75.
Good Luck and welcome to the addiction!