Soft-skateboard wheels?

I just got my first skateboard. Its Kryptonics with ABEC-3 bearings. Yea, lol, laugh your head off....done? Okay anyways i like just cruising around on it but my wheels are 97A and are pretty hard to cruise on as, im sure you know, hit a rock and then your on the ground. What should I look for in wheels? Im pretty sure i want something <85A, or do i even Need it that low? Should i just get some longboard wheels and risers? I dont care about size as long i can actually fit it on the board without a million risers. Something under 40-50 dollars would be great, although i dont know if i can be that picky :P and also, im not looking for a single sentence answer "Get spitfire they rock." because my friends have gotten spitfire and they simply suck, theyre pretty much just designer wheels.