That is a sweet looking truck. The only problem with a truck like that is it's nearly useless, unless you have a massive drop hitch to pull a trailer, or a super long ramp if you're going to load your sleds or quads on a deck.
In my opinion with these trucks, since they are useless in mud, is that 35's are the perfect size tire. It's big enough to give you some ground clearance, but not so big that it makes it useless. You can bolt 35's on these with no lift, but you have a little rubbing. If you put in a 2-3" load levelling kit you are golden. I am running a 4.5" suspension lift. I am going to have to extend the ramp for my deck to 9' this year.
Good call about the flush mount. I always flush mount my speakers, but this one is a very tight fit. Once I get it all glassed, and sitting into place I might take a couple measurements to see if I can double up the MDf in order to inset the speaker. If I can't I will be using the mounting rings and grills for the speakers, so they will be safe.
Yeah, when I comes time, I will be ordering up a Smarty. They are supposed to be the Cat's ***. More power, better mileage, and more black smoke. LOL.