GA has plenty of brand new pilots to choose from to maintain the numbers of an industry sector with only modest growth. No real shortage looming there.
It is the rapid expansion of the likes of Jetstar and possibly even Virgin (Ozjet and some regionals), demanding a high number of experienced multi/turbine pilots that will leed to a shortage in that sector.
Operators like Rex, Eastern, Skippers, RFDS, Pel Air etc. etc. are finding it increasingly hard to find suitable applicants. The attrition rates of these operators is increasing as the rapidly growing airlines (overseas included) suck them dry.
EBA negotiations are going on in a number of companies including mine. So far the offers from management don't reflect concerns about the lack of suitable pilot numbers. I'm hoping that if not this EBA, the next in 3 years time, offers will be higher in a futile attempt to cut the losses.