Hey, guys, you know how some pull-up/chin-up bars will be just a straight bar:
http://www.hdofitness.com/index.asp?...PROD&ProdID=19

And some will be angled bars:
http://www.fitnessedgeonline.com/fes...ERTECPOWERRACK

I'm wondering which one is the best, or does it really matter? Thanks a lot!