Forgot to add links

Sorry

For reference, here's what I was alluding to above-

Refurb AEX
http://store.apple.com/us/product/FB321LL/A/refurbished-airport-express-base-station-with-80211n-and-airtunes

Minijack to toslink cable
http://compare.ebay.com/like/400446633957?var=lv<yp=AllFixedPriceItemTypes&var=sbar

Rogue Amoeba software*
http://www.rogueamoeba.com/airfoil/

*this would allow you to stream Pandora from a PC to your AEX --> AVR

HTH