I get this general feeling as well, that the new model isn't near as stout as the 2's . . . or thats what many people say/feel.
IIRC, the Rom2's were closer to $200 (189?) for the longest time, the 3's have already come down in price quite a bit.
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Regarding the straps: I cut mine. Did not melt or tape the cut end, they do not seem to fray.