I've got about 156 1/18 models, most of them are back in their original boxes in the loft until our wee one is old enough to appreciate how delicate they are (probably about 21 then!). I was bored one day and made up an Excel spreadsheet on what i've got and what I paid for them - the Mrs wasn't happy when it added up to over £6K!
I've got 8 Subaru models, including a 22B, and I got a guy over in Belgium to make me a replica of my old road car. I've also got quite a few old Fords, approx. 13 Porsches, 5 Bentleys, 4 Audis, 5 BMW's etc.
On the Burns/Reid topic, I purchased an AutoArt 1/18 Peugeot 206 WRC car (Monte Carlo 2003) about 3 years ago & it cost me £33. The Mrs was dusting the other day and knocked it off the bookcase, wrecking it (i.e. way beyond Superglue repair). It took me ages to find another one on the net and I had to pay over £80.