what good cheap head units do you give the thumbs up? its gotta be usb

Blaupunkt have one

Theres a bluetooth version for £120

Car Audio Direct for car stereo, navigation and audiovisual electronics.

This is a link to all their usb players! I brought a Alpine from here, good bit of kit, just have to upgrade speakers now!

Not cheap but I use a pioneer P7900UB which works well for me.

I think this is the latest version of it Car Audio Direct - Pioneer DEH-P7000UB - CD Player

Lidl, Aldi, and Ebuyer sometimes have USB capable car stereos for about £50 but have never used any of them so cannot comment really.

Talk Audio on there magazine bit did a review of a load of USB HU's a while ago and iirc the pioneer p7000 came out best but iirc it was the most expensive. alpine and pioneer are where id normally go first for HU's

from my experience, anything JVC with a usb is spot on and will read from just about anything, non of this renaming folders business

Yep, I was going to say, JVC do some brilliant and well priced USB units