Great idea K. As an alternative, the Bellari phono preamp has a built in headphone amp, so it may fit the bill exactly. Oh, and it has that cool tube as well:
http://www.audiogon.com/cgi-bin/cls.pl?preaphon&1237862786&/Bellari-vp129
Welcome to the club!
http://www.audiogon.com/cgi-bin/cls.pl?preaphon&1237862786&/Bellari-vp129
Welcome to the club!