What are realistic Cap Rates in Philadelphia?

[Nathan Flanigan]

Hi, I'm putting together financing and doing research for my first investment purchase. I'm in Philadelphia, my realtor told me that a 5%-6% cap rate is what most properties here see. That seems a good bit lower than the 10% outlined here...

http://www.biggerpockets.com/renewsblog/2010/06/30...

I'm wondering if anyone has any specific experience in Philly and what kind of numbers I can hope to expect.

Thanks for your time!