This new C&L 76mm is the only one I would consider these days.  It comes with that intake tube in the picture also.
  http://www.jdsperformance.com/index....=196&fcmd=item
 
 http://www.jdsperformance.com/index....=196&fcmd=item 
First hand account of the meter:
 
http://www.corral.net/Forums/Forum1/HTML/060269.html