As the image is from the Lineto site (Isn't it?), this would likely be a custom typeface.

But — You will likely find a rather close alternate at House Industries.

Edit: Double post, due to another Typophile outage/'slowdown', it seems. I shall use this to at least add some helpful things and details, then. ;)

It is. Some more samples: http://www.lineto.com/img/buttons/buy_1.png > http://www.lineto.com/img/buttons/buy_34.png (Just change the numbers ...)

Showcard Stunt, Sign, House Slant and House Showcard, may be alternates, for example.