Well lets see.............

Line up the Kiss and the Black Knight at my place and then do whatever the hell you want with the rest of them 

Seriously  - I would go ( from rear of garage at yours )

Black Hole, HH, Genie  ( all the wides ) PZ ( with its massive head at the end of the garage ) , Flintstones,  , Black Knight, Flash , Kiss, Firepower, RFM at the front of the garage.............that puts em in physical size order, keeps the DMD's together and will then have similar age SS's together with RFm on its own at the front.