Guys, this is all awesome advice. Thanks! I guess I'm just going to have to go out there and try more rigs. I was wondering whether I'd be able to get a new container whilst I'm out there but it sounds like they're all made to emasure and take a long time for delivery. Well you never know, maybe they'll have a second hand container which I like...
Having read all these posts, I've got a feeling the choice is going to be between Mirage, Infinity or maybe Vector...
By the way, my strange posting times are due to me being in London... working for the Discovery channel as it happens.
As a side-project, I'm going to try and make a 5 minute documentary about skydiving whilst I'm at Eloy for submission to the employee competition (winners get aired worldwide). There aren't enough programs about skydiving, don't you think? Maybe that's why there aren't enough skydivers...