Ok ok, I know it's been a WHILE(!) since 2008's MM, but I joined the forums in late '09, and I attended MM. I REALLY want to document my experience! Sooo...
I went with my dad, who wanted to check out what was going on, and I was, sadly, limited to a $60 budget. We arrived half an hour beforehand, which was pretty swell, because the line was already pretty long. Before you know it, a Toys R Us employee came out to greet us and explain the rules. HOWEVER, he also mentioned that there were only 60 Holo Grievous figures (which were free to everyone who went) available. So they start handing out the figures as everyone goes inside the store at midnight - when family groups went in, I noticed that the employees even gave figures to little girls, moms, and other people who just looked at the figure like, "What the heck is this?" So, by the time I got into the store, they were out. They had given their last figure to a person in line only a few people ahead of me. I was sorely disappointed - hey, I had even set aside a spot on my shelf to put my carded Holo Grievous!
So everyone's absolutely crazy to be inside, and an elderly woman with a cart totally pushes me aside and in the process knocks over a stand of Clone Trooper helmets. I lose my dad, and I notice that he somehow got to the very front of the basic figures. He starts shouting at me asking which figures I want, and he practically tosses them at me. I was disappointed once when a nice man, who seemed like he was there by himself, started randomly handing figures out to the back of the hoard. I asked him if he could pass me a General's Armor Obi-Wan, and he even got it, but he accidentally passed it to the wrong person. By the time I had 5 or 6 figures (which would put me at my budget's limit), I sorted through what I wanted and didnt want. I had wanted a Captain Rex, but he was the first one gone. But a dad with a small boy passed me up, and when he heard me ask my dad if he saw a Rex around, the man handed me a Rex he had grabbed, but wasn't going to buy.
Overall, I scored mostly the 1st wave of TCW, minus R2-D2 and Battle Droid. I also got Illum Padme, and, for some reason, SL Plo Koon (which I hadn't gotten back in 2005 during the ROTS line). I would have gotten another figure (Battle droid, I think), but I was short only a few cents! I was disappointed. But overall, I was surprised how friendly and nice my fellow Star Wars collectors were. It's what makes the hobby so fun.