Only in the spirit of trying to help: this is all sounding like more trouble than it is worth. I swore off all tape long ago - it'll make a mess inevitably. If you really feel that you have to wrap some cables together then some spiral plastic cable wrap would do what you need (again, Radio Shack has it) but it would stiffen the cable and I don't think it'd result in any significant savings in time or space or neatness. Velcro straps are the best thing I've found yet and I only use them for attaching the cords to my stand.

Sometimes I will spend days working on some little nuance to my rig that may or may not save me half a minute in setup only to ditch the idea because it was over-engineering. Keep it simple.