I am trading off a BSA Supersport to a gentleman that has a Diana 27, and a Hyscore 807. I can't decide which to go for. The 27 is around 1980 with a nicely refinished stock with nice grain, but slightly thinning bluing on the barrel. The 807 is in original condition, and looks to be about 95%. I already have a very vintage 35 in 22, so I am leaning to the Diana/RWS badged gun in 177. I have been wanting a 27 for years, but they are seldom offered. I feel 177 might be best for my first one. Thoughts?