I did a small jumper in entrelac (didn't know it was called that though!).
Go slow to start with, you'll think its not worth the bother, you spend the whole time turning round to go the other way. But once you get going its good fun, and it looks so cool once its done.
If you're a new knitter, it might be worth finding a friend to sit with you and read the next bit of the pattern as you do it, it helps stop you getting lost. Or get a highlighter pen and cross off each bit as you go along.