If you go to Paypal.com, click on the tab for Send Money.
Right hand side, fill in the amount of money you are sending.
Select "Friends & Family".
Filling the email address to send money to: firstname.lastname@example.org
From: (your email address)
Follow the instructions from there....as far as I can go.
In my case, I would log into my Paypal account that I setup and do the same thing.
Hope this helps and glad that you can make it.
You are going to have a blast....more geeky people and UL gear than you can shake a stick at! :)
I am thinking of bringing my friend who is a traditional backpacker to stare and laugh at the UL Freaks....hehehehe.