100000 of posts on this subject already..
Hey Montoya,
If you check via the "search" engine of Pprune, you'll see there has been hell loads and loads of Forums talking about your topic...
Get yourself a few cool beers, light yourself a lekker Cigarette..and then start to read all of them one by one...and I wish you a very good night...you'll find all your answers in thoses Threads I"m sure..
Good Luck Wherever you decide to Go! It worked for us, it might work for you if you have the motivation and the good Vibe..
TRF Nomad