Avio77,
It varies on how long it takes them to get in touch with you after sending the initial application. It only took a matter of days for one friend of mine, crazy! Then at the other end of the scale I know someone who waited around 4 months.
I was one of the fortunate ones and got contacted within 2 weeks. I can't figure out a logic behind their selection, maybe top of the pile etc like I've seen before in this discussion.
All the best anyway,