I had the choice between the Lensbaby 3G and a 2X Extender II for my 70-200 IS lens. They're roughly the same price.
I chose the Lensbaby!
I guess I'm in a whacky mood when I'm spending my money late at night. The cold light of day has me wondering. Oh well. Gotta play the cards I dealt.
Here's a kicker for my B&H order: According to B&H, the 3G isn't in stock, but they're accepting orders. They expect to have the item in 3-7 days. That's fair enough. HOWEVER, when I go to the Lensbabies web site, they're expecting to ship in early December and they'll ship on a first come first shipped basis. Not only do I get the lens for $28 less at B&H, but I get it 3 weeks earlier than I could get it from Lensbabies.com!
Way to go B&H! 
Well, yeah, ok, so I'm guessing the "3-7 days" is an automated line of text they use on all special orders 

