I registered just now, so I could post this. I have followed this thread for a week or two previously.
I purchased these tickets ($118/adult, $108-ish/child) through Viator using code 7fab. No international fees on my card, just printed the vouchers and took them with me. I bought the tickets on 3/25/10 and was at Universal on 3/27/10.
Just like the previous few posters, I arrived after 6pm, paid $3 parking, turned over the vouchers hoping to be ready for the next morning. I handed them the vouchers (6 adults, 1 child) and purchase receipt. No one in the booth (3 people all shaking thier heads) had ever seen them before. However, they just made copies of them, looked at my drivers license, and minutes later handed me the hard tickets. They say Viator Inc. 14 day consecutive on the hard tickets. Took a total of about 3 minutes once at the booth (seemed shorter than the other people buying tickets).
There was absolutely no problems using the tickets. Had a blast. We only planned on 2 days in the parks anyways, so we ended up staying 3 1/2. When leaving Orlando, took the tickets to one of the "We buy tickets" booths and they gave us $10/each ticket.
This was a great deal.
I would like to thank the previous posters for posting the original information.