Yup, considering PayPal transactions can be reverted a long time from the original transfer date (some people quote 180 days, it may well be more), most people here don't sell to anyone without sufficient forum reputation. The
Currency Exchange section harizen linked is your best bet, but it's going to be tough for a newbie like you. Make sure you're dealing with a reputable member so as not to get scammed, or a reputable exchanging service if you choose to go down that route.