My bad...I thought the "competition" version was 40C and see now what I was looking at was only 28C.

Do you know anyone thats using the IB 40C lipo? Maybe the 30Cs I have are not typical? There sure is a lot of price diff ($74 vs $130) with those but in todays world, you don't get something for nothing. Makes me really leary that they're overrated.