Where are you ordering them from? My local junkyard (California Auto Dismantlers, Honda/Acura/Toyota) has about 5.
The problem is they don't like to seperate parts, and they usually sell the swap as one package. 99-00 Si trannies have the same ratios as the ITR, just no LSD.
7 months just seems crazy too me. I sold my GSR tranny days ago...ITR or bust