Hi Ali,
I've got both as well. Without putting too fine a point on it - when you've got the money it's often just not worth mucking around with. If you do try to save a few $$$ 9 times out of 10 it'll bite you in the bum the first time you go to use it.
On a lighter note, I'm looking forward to visiting Boston - if the current plan goes ahead I'll not need to bring any gear - I should be able to just grap yours and carry on as per normal! (not too sure about that "entry-level" 5D2 though
)
Mind you, I guess you're probably thinking the same if you visit New Zealand! (I'll bet I could recognise your son if I picked you up from the airport!).