we always talked about living overseas from about 1998 onwards, everytime we went on holiday we thought, we could live here. Then we looked into it, decided too many forms to fill in and cooled off - Canada was our first choice, then the States, then NZ and for one reason or another we ruled them all out. I could go into detail but perhaps that is another thread - might start on off later!
Really got series about it at Easter 2005 and got stuck in and moved out here in June 2006, did not do a reccie trip here though, just decided to take the plunge.
Good luck ...