> These are running for $6.78 at Allied Elec. > http://www.allelectronics.com/cgi-bin/item/VTL5C4/100/VACTROL%22#174;_ANALOG_OPTOISOLATOR_.html > > VTL5C4 seems to be the slowpoke of the litter but you can't argue with > the price. > Scott at http://www.bridechamber.com/ has some others at $3.25 to $4.25 including the dual VYL5C3/2's Mike