What if you're a synesthete? Do you match the heads to the associated color? What if that particular color of a tom is not available or you want to tune the whole set up or down?
(I know a few people who associate colors, so I'm only 90% joking. :) )
Cheaper DIY solutions: http://compactdrums.com/diy-bass-drum-riser/
More expensive: Danmar Tom Kick Riser
Regarding head: If you convert it to regular bass drum hoops, you could try an Evans EMAD for maximum flexibility. Otherwise, it depends on your prefered sound if you want to use a plain...