Upload & Sell: Off
I'm thinking of getting the 5 series for now and down the track I'll also purchase a 3 series. Then I'll have the best of both worlds.
I'm a little less sure about the head now, probably a Arca Swiss Z1. Sometimes I find ball heads to be a complete pain when trying to make small changes to the composition. I don't know of any head that is as sturdy though.
Pcho, Photo Video are excellent to deal with. I've bought from them a few times and the service is very good, I've always spoken with Gregg and he's very helpful.