Discs and pads is really not a major job. Actually better to do together.
Used to have a carbon tubbed F3 car so not mechanically inept. Did the job on a few road cars too.
You shoud buy the parts yourself. Get a Haynes manual and do the job yourself.
Here is a link.
http://toyotaownersclub.com/forums/i...howtopic=56738
I know it is Toyota but the technology / methodology is exactly the same. If having looked at it and you don't like, go spend 200chf on labour and a mark up on the parts.