I've got several 700's and 7's. The ejection port for the 7 is tighter and harder to manipulate ammo in/out of the belly IMO/IME. For a new shooter I'd defiantly be looking @ the 700 over a 7.
It's the other way around. The Model Seven has a bigger port.
Here is a nice comparison of the two:
Seven vs. 700 article with pictures