Glock won't allow blue guns to be distributed to the public anymore.
Quoted from the bluegun website:
[...]Glock restricts the sale of Glock Blueguns to the Public. We are restricted to selling Glock Blueguns to the Police, Military, Trainers, Police Distributors, or Holster Manufacturers. We ask that our customers abide by these rules and refrain from offering Glock Blueguns to the Public on the Internet, Publications or General Catalogs. We apologize for the inconvenience and appreciate your support.
dhpsask, it would be interesting to know what you're hoping to get out of it. The very basics will carry over, but you'll find that the trigger pull is lighter, the recoil spring is much lighter, and the recoil is much much lighter.
It'll help you train to hold the gun properly, but as soon as you attempt to operate it, it'll feel different than your real glock.