I started in the 1980s, over the years my late wife used to buy me ones for Christmas. When I retired I decided to get back into the railway, so I bought a lot more. I must admit I tend to buy ones I like. I seem to have a lot of A4s, Duchess and Bullied West Countries etc. When Bachmann started making really good diesels I tended to buy them, class 37, 47 and 66s. My layout is mainly 60s although one station is Goathland, another an LNER country station and the third one mainly Southern with Sheffield Park buildings, because they in different parts of the layout they don't look that out of place. So I try and be as detailed on the scenery so it looks reasonablely realistic. Of course in the old days if something was ridiculously cheap then I tended to buy it, now I think "do I really need it".``