I'm fairly recent to the world of Kheldians mysef, and have not managed to spend much time on my PB as I am spending my time with my WS and other ATs.
The one thing I would reccomend is to not decide on what "type" of PB you want to play until you have seen how your play style fits with the AT 
Personal Account only:
PB plays very well as Human only / Human-Dwarf. Triform is not quite as reasonable as with the WS, but doable nonetheless.
Human plays like a Energy / Invul+Regen Scrapper with a bit of healing (an Leadership, if you wish) for your team. PB will have huge endurance troubles most of their careers.
WS is a Triform favorite. With frequent form switching, you are an excellent team charakter but considerably weaker solo. You will have huge AoE damage, too.
Plus with a warshade as my main character, I just can hint that it is among the characters that profit the most from inventions.
Well, it's pricey, but you can:
- keep out 3 pets at most times
- achieve single target damage aroung 80% of an Ice/xxx Blaster
- have incredible AoE damage
- really tank in emergency situations
- achieve perma eclipse if an empath backs you up
- be the god among pullers
Go Warshades!
Well my hero is almost 50 and most likely will hit it today. I have decided i want to roll a Peacebringer, the only problem is....i have no experience with them whatsoever.
So i ask for as much advice as possible. Should i be a triform PB? Human Form or what? And whichever u think is best do i need transport powers or can i go without? (Stick with fly). And lastly could some1 write out a build for me plz? With reccommended slotting 
Thx in advance