>>Now we're writing software :). Depends on what you mean by "does" - does where, in our designs, or in popular lore (as set forth by all the SF authors so far)? Most authors came from the body/mind split POV, so they treated the new body just like a new car, admitting that it did change the attitude of their character (specially if it was of a different sex). Others thought it would be more complicated, notably Egan, also Charles Stross and, why not, Pratchett. Frank Herbert had a somewhat different idea with his ghola/clone story, that the transfer is only possible genetically, i.e. the incoming mind has to live in pretty much the same genome until it can awaken. OTOH, he had the Other Memories line, also genetic, but not doing a complete takeover, just a presence.
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>I think you are underestimating HW - the whole body chemistry including different levels of hormones, grwoing or declining cycle, need for sleep, the speed of healing and so on. Just witness the effect one or two drinks have to those never usually drinking. So I lean more to Herbert - a geek given a bull body will grow bull tendencies and won't do as much geeky things as before.

I'm not underestimating it - and I agree that it would not only affect the outcome, but would largely influence the way the transition software is written. I.e. depending on what's possible on the available HW would decide how the whole SW transfer goes.

And yeah, I know at least one guy who says "after just one drink I'm a different person, and that other person is crazy and thirsty".