Why waste money---you already have a PPL albeit expired. You are NOT able to get a pvt based upon an expired foreign license and will have to wait for it to be current again in order to obtain an FAA license based upon it.
14 CFR 61.75
Phil posted the requirements for the whole part 61 course. My advice would be to get the JAA current again, do the night flying which you cannot log as PIC anyway, then start the instrument ground school while waiting for your JAA license. Once it arrives, you can apply for the FAA pvt based upon it, (this will now be just a paperwork exercise). NOW, you can log PIC for the rest of your training.