I have a ENO prohammck with the bug net and i am up grading to lighter slap straps with whoopie slings so the question is my whoopie slings are 10 feet so would a 12 foot slap strap be to long. the secound question is UQ. down or climasheild 3/4 or full ( have a 20 degree western mountaineering bag). the last question is tarps I am thinking of a 4 season made by outdoor equipment or will a macCat work just as well. thanks carl