Originally Posted by AeroKen
A different angle to consider it from... It's just as easy to kill an expensive lipo with poor practices like leaving it fully charged, over discharging it, etc. if you're not going to be nice to your lipos, don't waste money on the expensive ones.
+1. The best point made so far I think. I've done plenty of debating as well, it's hard to bring yourself to pay 2x-3x more though without any guarantee that it will last longer.