I've had a really hard time getting going with NaNoWriMo this year. Right now I'm almost caught up. I'm about a day behind on my word count goal. Below are a few tips that have helped me try to keep pace. Normally I'd refer to the forums, but the website is so ridiculously slow that those aren't much help this year. Not sure what happened, last year the format of the site was much more involved and it was fairly fast. The page load times make me think that their server is in a basement somewhere with smoke pouring out of every crevice.
My word count right is now is a little over 6,000 words. I need to be at 8,334 words tonight to be on pace for 50,000 words.
Tips:
Word wars on the forums - see how many words you can write in 30 minutes. Just let it flow and don't think.
Rewards - bribe yourself with your favorite food or drink.
Get up and move around - after a half hour of word wars make yourself get up and do something active.
Time yourself -- start writing on the hour and tell yourself that after you write a thousand words you can take the rest of the hour off. I once wrote 10,000 words in a day using this technique.