Don't be afraid to ask questions - and if someone is rude to you for being new, just ignore them; some people can forget that we were all new once.
Obviously everything Allison says is brilliant advice, but this part above is by FAR the best advice she could have offered!!!
Don't let anyone ruin your experience!!! We've ALL been in your shoes at one time or another and even though some forget that, most of this community is very helpful! Don't get frustrated and enjoy yourself.