If it has to be, I would much rather see another organizational team run it. 2 years in a row was a little strange in Vegas, but 3 would just be absurd.
Then make the metronome slower.
Your cross is fairly slow, you could definitely work on that. Obviously finish learning PLL, and slowly learn full OLL. Your F2L isn't too bad, just try to focus on the next F2L pair, rather than the one you are currently inserting.
http://store01.prostores.com/servlet/sensgard/Detail?no=6
These are actually really good, they don't look like they do much but they work reallly well. I use them for shooting too.