I know what you mean. Mine was supposed to be ready at the begining of this week. I phoned Jon and he's up to his neck (sorry ) trying to get basses ready for bass day this weekend.
I found myself telling him to leave it to the following weekend Now I'm picking it up on the 17th. Its a 4.5 hour drive each way, but I couldn't face sitting by the front door waiting for a delivery van for a week!
At the end of the day he's a nice guy, but probably a bit over optimistic on his build time estimates.