They look like 17's to me - not enough metal, too much rubber for 18's. Could be wrong though. My 56-reg Prestigio has ten-spoke ones with a flat face, like Dave's.
Edit: I think you're right, Cricklewood. Perhaps they were an older style of 18".
Then someone needs to buy it - it looks like a good un to me.
Edit2: I can see the sensor for rain-sensing wipers there too (I think this includes an auto-dimming mirror).
Why do idiots on ebay put genuine buyers off with stroppy statements like this:
[FONT=Arial, Helvetica, sans-serif]Skint Timewasters and messers dont bother to make contact[/FONT]