OK I finished my box. Still need to paint and carpet it however. Honestly, if you can afford the JL or BSW box then go for it. Even I wouldn't be able to make this box for less than $500. It took me about a week to get perfect.
I stole the back from zerochief

, I just thought that bit was brilliant. All of my seems came out good but I calked them to assure there were absolutely no leaks. I'll post a couple more pics once I have it installed.