I have the full termi with the baffles in, always. Noisy when you want it. Bike has a better punch than the stocker and of course the weight saving is huge. I do however prefer the look of the stock system, but would i change it back? not a chance. 8)
As for the screen, I have some little posts ...

Bradvincent, what age are you, are you able to get cover for a 1200 with only 1 yr riding? I don't know how it works where you are, but here in the UK I doubt you would find any company willing to take the risk.
I'm not going to say don't do it, that's your decision to make. What I will say is the ...

I've ridden both,and if it horse power you want, IMHO you gotta go for the 1200. 95 bhp or 150 bhp? there is no substitute for power.

Got any pictures, and of the bad bits?
I'm after one but it has to be nice, if its fixable and the cost reflects the need for service etc.