If you get a pair of chain nose or needle nose pliers without the ridges, you can do your crimps flat. I think crimping crimp beads flat looks so much better than crimping them w/ the crimp pliers. My crimp beads always went wonky w/ the crimp pliers. So, I switched to the crimp tubes to use my pliers.
I have a pair of crimping pliers that I got for $12 from my local bead shop. I've been using them over a year w/ no problems. They're kind of like these ... http://www.firemountaingems.com/details.asp?PN=H141602TL