Rusty arches - Prepping for paint

[C70R]

I've just bought a car with bubbling under the paint on a few small patches on the rear arches, and fancy having a bash and prepping them for paint myself (I won't be painting, though).

Is there an idiot-proof guide somewhere to this?
My initial view was to work down through grades of sandpaper by hand (perhaps even finishing with W&D), then treat any remaining rust, wipe down and prime.

[C70R]

227bhp said:

There's an idiots guide here:

http://www.pistonheads.com/gassing/topic.asp?h=0&a...

Although he did manage to post it in the correct section.

Correct on both counts. Thank you...