i vote, get the s2k, and buy the BOV noise box. since that's what it sounds like you're really after.
you want to look cool, but you're obsessed with boost. why so adamant that the s2k has to be boosted? it's pretty fun even in stock form. you're afraid to get a skittle because you might end up liking dudes. you're afraid to get the s2k because it doesn't KA-PSHHHH in stock form.
you need to narrow down what you really want, right now you're comparing apples to shit.