Its easy enough to remove the dead cell, just requires a good iron and possibly some special solder, though all you should need to do is desolder the wires and relocate them- see BrianG's site for a diagram of before and after:
http://www.scriptasylum.com/rc_speed/_lipo.html
I think the trouble is sometimes people start with a larger model that requires expensive electronics, and tend to fail more often due to the amounts of power and potential for damage; nothing like starting small and working your way up to get you used to things...