One thing I think wasn't clear in the PPLIR paper was: is there a requirement for an IR(R) holder to get the EIR before applying for the IR?
If not, an IMCR holder with plenty of hours IFR (e.g. me!) would only require to complete the 10 hours at an ATO followed by IRT, and the writtens, to be issued with a full IR.
The paper appears to assume you'd want to complete an EIR on the way but I can't see why I would...
Also, what are the renewal requirements of the EIR? I don't go abroad, so if IR(R)+EIR offers everything I want and a biennial renewal, I'd be inclined to stick with it rather than go through the IR upgrade process.
Tim