Can always buy a SP-01 elsewhere, send it to them to have them do the work. Though keep in mind that now you're paying the cost of shipping the firearm to them and back.
If you get an SP-01 now, you can always have it sent in later. CZ Custom will be around for the foreseeable future.
Guns don't kill people. Apes with guns kill people! - Robin Williams
Number of handguns currently owned and previously owned: 45.