I do think fixed lens rangefinders must be near the top of the market now. I remember bidding on a working but cosmetically average Olympus 35SP needing light seals a few years ago on an auction site and stopping when it hit GBP 70.00 thinking it was rather dear. I wish I had carried on. They now regularly sell in that condition for GBP 150.00 and minters can fetch over GBP 300.00. In contrast, SLRs seem to have stalled and can be good value. It's like everything else in the retro / collectables market. There are fads which come and go. The trick is to wait until they are a bit cheaper again, probably in a few years time. In the meantime, buy an under-appreciated camera to amuse yourself then sell when it becomes the in-thing and goes up in value.