Get them. They are worth it. I just bought a couple of 5S 4100 lipos from them. Fast shipping too.
Castle Neu 1520 on 6S LiPo Powered Gmaxx (Nitro Killer)
Predator with OS .21TM
Supermaxx with Mach .26
Revo with OS .18TZ
Kyosho ST-RR Conversion
Ofna CR with Tekin ESC/Motor (2)
I would suggest that a LHS buy a mass quantity of HK batteries and then mark them up a slight bit for profit. That way, we the consumer still save, and they still make a buck. Maybe the best of both worlds.I bought 3 turnigy 5000 4s packs for less than the price of 1 pack from my local hobby shop.