The typeface I chose for my "what ifs" was extremely close to the one you posted. It's nearly identical to this one called Annonce:
http://new.myfonts.com/fonts/canadatype/annonce/
I had leaned it slightly over to the right but normally it's upright.
There's a couple places on the internet that have chrome letters available. This place has a couple of fonts that might be close enough, the ST or VK font.
http://youremblem.com/catalog/
Price is $2.99 for each S so $6 for the pair.
These guys will create just about anything you want but they're more expensive; although pricing drops quickly when quantities are ordered.
http://www.emblemart.com/index.htm
Here's what your SS looks like in Annonce: