Sorry guys coudn't get much info regarding how long it normally takes to get a response from recruitment. Looks like it varies quite a bit depending on how many applications come in. If it is any help there was a guy on my TR course who hadn't yet unfrozen his ATPL and was flying 748s' so going from that ROSCO I would be suprised if you didn't hear back with the type and quality of hours you have on EFIS TPs. Maybe worth a call like you said.
Good Luck again!