cvcook, I'm still hanging on to my 4 until the Samsung Galaxy S4 comes out. The iPhone 5 is nice, of course, but I see and experienced only marginal "gains" with it. The 4 processes all my apps much like the 5, SIRI is good but the Google app provides almost the same voice responses. The 5's screen is only "taller."
If you're staying with Apple, you might wanna wait until the next version comes later, to see if it has a larger screen, as seems to be the new thing. But that's just my opinion...