Wow those replies came in thick and fast! Thanks a bunch everyone.
It seems like the botbitz esc's are definitely a favourite, I'll grab a pair of those now.

As for the battery, I'm hoping to run a vertical spinner from a 28mm brushless outrunner via belt drive. So I'm assuming something like this will make me lean more towards a higher MaH battery like Ellis is using on his spinner?

On the topic of motors and esc's, this is the motor I plan to use on my spinner weapon (as i already own a few of them)
https://www.hobbyking.com/hobbyking/...dProduct=45152
I also have the brushless 20A ESC's to operate these with too. Is this a terrible motor for a weapon? Im not sure if its considered small for a spinner weapon!