Isn’t this Bliss?

http://www.typography.net/type/bliss.htm

Not Bliss. Check the ‘l’.

FF Kievit

http://www.fontshop.com/search/?q=kievit&x=0&y=0

That's it! Excellent. That is one gorgeous sans.

I like it because it's quite economic.

Kievit is excellent. I used it in a book I just finished.