Good onya Steve , on the cleaning just hit the " search" icon in the blue bar at the top of any IIS page and type in "cleaning telescope mirrors" you will find lots of good info on this .
Yes these mirrors have a basic hard coating ( MgFl ) and if careful it will come up like new , also check the small secondary mirror below the eyepiece focuser .
Good luck and please keep us up to date with your progress .
Photos would be nice .
Brian.