Thanks you all for the feedback..
ianstamatic, I do like the look of pictures with a hasselblad.. and the pictures I've seen on flickr from the GF670 seem sharp and nice but something looks off.
It doesn't quite seem to blur the background out even when wide open? I've seen a few hasselblad pictures which are claimed to be taken at f/2.8 and pictures from the GF670 that claim to be at f/3.5. The subject in focus seem sharp and nice on both but the background on the hasselblads appear radically different. As in, it has a severely shallower depth of field. Not something I would blame on the minor aperture difference. Does this confer? Maybe MaximusM3 could shed some light on this?
I guess we have boiled it down to TLRs and Rangefinders. Or better yet.. things with leaf shutters. On the TLR front, I guess I should be looking at Rolleis. We do have a few floating around in brazil in pretty good shape. They are relatively cheap as well. There's a 75mm/3.5 F model for $860 (with a working light meter) and another 75mm/3.5 E model for $375. Both are in apparent good shape and the store even offers me a little warranty (they will fix anything that breaks within 6 months I believe)! I don't know if they are Xetar, Xenotar, Planars, Zarkortian, Plazarians... (sorry.. I've always thought these names are hilarious! They seem like they were taken from a 50's sci-fi movie.

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On the rangefinder front.. There's the GF670 and..........? other antique foldables?