Trying to Figure it All Out?

I have 2 Alpine Type R 12 4ohms, a JL 500/1 monoblock amp and I want to buy door speakers...what kind would you prefer and what size...I also want a new in dash...have a jensen vm9410 but it is black screening me and Im guessing it is done..I like the kenwood 719 in dash player but its pretty expensive anybody have ideas on that I would appreciate it also...Also if somebody could let me know the best way to wire the subs and amp I would appreciate it. Im driving an 02 dodge ram single cab any opinions will help....thanks