I no just what you meen its called geting old i think . im also after a twin 500 cc and above , like the xs 650 but go for a lot of money right now . i my self dont dislike the cx
http://www.ebay.co.uk/itm/1980-BMW-R65-CUSTOM-BOBBER-TOTALLY-UNIQUE-CAFE-RACER-SOUNDS-YEARS-MOT-6-MTHS-TAX-/190653199133?pt=UK_Motorcycles&hash=item2c63d0f31d bit more work and it might be ok