I'm new to track cycling and I'm trying to figure out what kind of wheels to race this summer. I have a pair of velocity deep v's but I'm wondering if I should go with a lighter rim rather than the ones I've got. I've read on these forums that you don't get much pay off for aero rims until you get into really deep cross sections (45mm and up). I could get some Open Pros pretty easily and I'm leaning towards those for the weight. Does an aerodynamic rim really help me out that much at my level? I'm a student so I can't even begin to afford a lot of the high quality wheels I see people talk about here (unless anyone has some ideas about where I can score something cheap), I'm just looking for some general advice about what's most important in a wheel for a beginning racer. Thanks!