In reply to anonymous:
Depends on your aims, but seems a long way to go, for such a short time, in such a great place. Don't underestimate how good Gokyo can be. We spent 7 nights there, and didn't get to do all the stuff we wanted to do. If you need ideas check out this from about 22:30:
But whatever you end up doing, have a load of fun. I'm sure it is impossible not to