Depends on what your wants are now.
The HPFP won't necessarily net you anymore power per se, but rather provide you with more reliability, consistency and peace of mind.
The turbos will allow you to push the power and achieve more power, but obviously limited to the fueling issues.
Double edged sword.
If it were me, I'd do the turbos 1st, and live within the means of those until you do get the HPFP acquired and installed.