New Frame

Hey just gettin back into the sport, bought a 93 4runner. I want to try to do this right the first time, so I trying to decide on using tubular control arms for the toyota front end or use a mustang II. Give me the pros and cons of each please. As for the rear end I have axcess to a thunderbird IRS or just use the stock toy unit. Same as above pro and con of each. Oh by the way I will be doing a stock floor on it, so anything I need to watch for on that also. Sorry the post is so long, and thanks for any help.