Don't apologise - we all change stuff on our bikes to give it our own mark and make it "ours". They'd all be pretty bland if we didn't.
You could always use the dealer list on Ducati's website and work your way through them to see if they've got any Rs in stock? I know Ducati London Central in Chelsea had one a couple of months back...
http://www.ducati.com/dealers_locato...cel tanazione (just select UK and click the red search button for a full list)