I’ve just had another frame done by my local guys (Yeovil, Somerset). They powder coat curtis bike frames for them and Talon who do MX stuff apparently get all their stuff powder coated there now as the MX boys were finding after a few jet washes the anodising was coming off – WTF!! He shot blasted and painted the frame for £35 which is crazy cheap so shop around as some places can be cheap!
When I was in there, someone had taken in their MTB wheels, taken out the hub internals and the guys had powder coated the whole wheels white, looked cool if white is your thing!