that sounds really cool, and I wish you all the best.
I was going to do something very similar to you, but Ive opted to do my ATPL full time at NAC. Also my PPL, Multi, Night and 100hrs.
One thing im unclear about; is your Instrment JAA outright, or will you need to convert?
Im thinking about AEROFAN spain for my ME-IR and CPL. Their seemingly ow prices also mean I could afford an instructor rating