I just recently seen a center console bbeljefe built and painted in person and that thing looked AMAZING! As long as the color blends with the rest of your interior it should look great.
I think he uses audacity but don't have a clue how he does it. There are several methods but he seems to have made an art out of it. The way he does it will take a lot of practicing and tweaking for someone that is new to it.
I just picked up an Incriminator Audio Lethal Injection running on about the same power and this sub is AMAZING! It's in your price range and I guarantee you will not be dissapointed.