Something I noticed here http://www.strida.us/features.htm that I didn't see elsewhere...
Strida.us specs page says the 5 weighs a kilo less than the 3.
Strida.ca specs page says they weigh the same.
Anybody know for sure? Chop, maybe?
Diana at Strida.us tells me the weights of the mk3 and mk5 are basically the same, and they will be correcting their website shortly.
No need to reply further on this thread.