The 60-degree wedge is perfect for greenside shots ... Also, when you try to smash a lob wedge, you really only hit the ball higher, not farther, and higher brings more variables into play and ...
Only you can make that determination, but if I were to hazard a guess, I'd say the 60-degree lob wedge should get the boot. I know what you're probably thinking: I use my lob wedge all the time!