Sintered base is a must on a pow board. Only time I would say it doesn't matter is for a beginner that won't notice the difference and on park boards that are going to get destroyed anyways.
14 NeverSummer Proto HD . 13 Never Summer Cobra . 12 Gnu Rider's Choice C2PTX
13 Now IPO . 12 K2 Formula . 11 K2 Formula
13 NB x 686 580