Oh, I agree it's very cool! The problem is explaining to my wife why I now need to order THIS bottle... She's a wonderful, supportive woman but she does have her limits. At the bottom of your link they have a link to a 1-liter, round steel bottle witha wide-mouth opening...it also looks perfect.

Yes, the old GI canteens had a black plastic cap held on by a metal chain.

*sigh* Addictions suck.

-Blast