LocalBitcoins.com
Trade for cash in mail and use a PO Box or a trusted friend/relative's address with a fake name.

Or buy gold/silver with the btc and sell locally as someone else already suggested.

I've been lurking the forum for months and never felt the need to register.
I don't think the 5 post limit accomplishes much seeing as how there are accounts for sale on the forum, but it is still a deterrent and I'm not sure there is a better way.

You can sell on localbitcoins.com for MoneyPak and add use the MoneyPak code to add funds directly to your paypal.