Futurehog -
Welcome to Arkansas! Woo pig! You are going to have a great 4 years in Fayetteville! You have been given some GREAT advice above. Read and study this site for lots of tips. Read the stickies and then re-read them as you go through this year.
Also:
Make sure you have minimum 2 recs for each house. Try for 3 - 4 if possible.
Are you from Arkansas or will you be from out of state? More on this depending on your answer.
Take a good look at your Facebook now and begin to weed out items that might put you in a negative light if a stranger were to look at your profile. The thing to remember about FB is that you want to use it to paint a picture of yourself. You might consider making only a couple of albums public rather than letting everyone see the 'aren't we funny taking pictures of ourselves pretending we are sexy celebrities ' photos.
Lilly Pulitzer is not dressy enough for pref at UA. (Unless Lilly is making cocktail dresses these days which she may be).
Yay for UA Greeks!