Have you tried looking round at other Jackets the montane superfly xt one is another good one that out there at the moment. Check this site out
www.winwood-outdoor.co.uk these use to be £220:00 pounds when they frist came out they come down in price a lot. Also a lot of people are converting to event I'll but some information up for you on the jacket.
eVENT® Super-Fly XT Jacket
Lightweight, super breathable, technical alpine waterproof jacket
Building on the strengths of the multi award winning Super-Fly, the Super-Fly XT is engineered for extreme use when heightened protection and durability is required.
The breathability of the Super-Fly XT is unsurpassed by any other waterproof jacket on the market today. Combining innovative technical features with lightweight reinforced construction makes it an ideal garment for winter climbing, long winter backpacking trips and outdoor professional use.