Definitly need to get some more into that thing, and let the air get out faster and you'll see lower EGT's.
Boost does seem low even for stock. Where are you getting your reading from, MAP line or AIH plug? I've heard the AIH plug is more accurate???
As far as the Trans temp port, They must have the right one in stock for ya. Get it from them, you'll be good to go!
Gauges look great!

congrats!