cranking line (colored sections)

I have read a little of the posts referring to line colored in sections being used for cranking. Can some one give me a short version with some links of where to buy the good line? I am looking at pushing more than pulling cranks and would like to use the same bait casters I use for spider rigging if the colored section line is worth while. Could save me some $$ possibly over buying more line counters. We don't have a pole limit here and would like to pull 4 and push 4. Post the good, bad, and the ugly (other than Wannabe)!!!!

Depth Hunter by Power Pro, just look it up on Amozon.com. Spool all the reels the same and its pretty easy to keep straight. I use 40/10 so as I am in line with the charts, some use smaller than that but I aint lost no cranks this time.

I've been using the Power Pro Depth Hunter for over a year now. I use the 20/6. Great stuff for cranking, but really great for Long Lining, and Power Trolling where shorter line outs are the norm, and/or you don't want to invest in line counter reels. The line is a different color every 25', and has a check mark every 5'.