If you are looking for a Mod 1 spur and slipper as an alternative to the Strobe, here's my suggestion:
RRP slipper:
http://www3.towerhobbies.com/cgi-bin...?&I=LXBJC8&P=7
MGT spur. Tower says it's 32 but it's actually a Mod1. I have one in my parts bin.
http://www3.towerhobbies.com/cgi-bin...?&I=LXFUA5&P=7