I've faced con depression 4 out of the 6 years I've gone, the exceptions being the first time (sunday only and I wasn't all that into anime) and this year.
I think, for this year, I managed to do everything that I really wanted to, it seemed to help, I bought some really cool stuff, actually attended a panel for the first time, heck, I HOSTED a panel too, well, co-hosted. I saw a lot of my friends from here/previous cons, made a ton of new friends, proved that I have what it takes to be staff, and got to yell at hundreds of people. You may have heard one the the MANY "THE DEALER'S ROOM IS CLOSED, PLEASE COME BACK TOMORROW AT (insert time of open here) WITH ALL OF YOUR MONEY, MAYBE EVEN STEAL YOUR FRIENDS' MONEY AND BRING THAT TOO!!!" that I was yelling, or one of it's variations.
The only thing I didn't do this year, that I kinda wish I had, but I'm always too afraid to try is cosplay, but a couple friends and I are already talking about next year, so we'll see.