On the whole CSI/CSI: Miami debate: they just finished airing Miami's season 1 over here, and I can tell you it's not even close. The stories in Miami tend to be stretched to the breaking point and beyond; the cast doesn't work very well (and our talking-to-the-dead examiner is just plain creepy). Even the science isn't as believable as CSI. It's a pale copy of the original; I watch Miami (and any other spinoffs) only for the science and with nowhere near the fondness for CSI.