... is well worth a visit. If you like that sort of thing. Which I do. So there. I took lots of photos of some nicely looked after vehicles and felt it was well worth the £3 to get in.
http://www.geocities.com/MotorCity/Lane/5050/obm/index.htm One word of warning if driving there - the museum is accessed through Hanborough Station car park. Don't do what I did and spend 20 minutes driving round looking for it having not believed my sat-nav.