Nice, nothing wrong with a box that you put together for free! Plywood isn't bad, but I prefer 3/4 MDF over everything. Juts a personal preference, but it's what I like. And as for the FI, I've heard nothing but good reviews. Internal leads are nice, but you gotta be careful with em. And as for AB amps, they're great Mylows deals in them, and can get you hooked up with one if you'd like. They're very efficient, and are underrated, from what I hear. They can greatly rival an AQ 1200, but that's just from what I've heard. Always wanted to try an AQ 1200, and always wanted to try some AB as well. Either way you go, you can't choose bad!