GtE,
"(2) Whilst JAA permits a PPL/IR, it's the full IR and even holding an FAA IR gets you no credit at-all unless you've got at-least 1500 hrs P1. "
WRT your point 2 copied above, please have a read of this:
http://www.caa.co.uk/docs/175/srg_fcl_gid15.pdf
See page 8 in particular, where there is a really neat chart showing the requirements under various circumstances.
The other day someone on this forum said they couldn't find this on the CAA website.
It took about 10 nano-seconds for the search engine, provided by CAA, to find exactly the right document