I generally just do both transactions at the same time. Every cashier I've ever encountered has let me do one transaction for the GGC and then use it immediately on a second transaction for a purchase. I just tell them from the start that I'd like to do two separate transactions and they're...
they sent me an email saying they would not get any more in stock until at least 8/3 and that they would ship them sometime after that. i called and canceled.
What's sad is that I bought it for $50 when it first came out and have been so busy playing other games that I haven't even played Sudeki yet. It's just sitting there gathering dust.
Kingdom Under Fire is the game I'm most looking forward to this year. It is an RTS/RPG. Some of the best information on it is available off of gamespot. Unfortunately, it is not being released until September 20.