Manufacturing facilities would be a good idea and or BP research/Copy space.
Tama VII (7 jumps) looks promising based on the current copy queue.
Tama is hell. Lowsec (not so bad), jump off point and trenchline for Faction Warfare. Gate is camped nearly 23 hours a day by either Caldari or Gallente Militia, and both sides are paranoid about spies so shoot most anything coming through. Given the prevalaence of targets there, local low-sec types love being there too.
For Caps like Freighters & the Orca construction can be done in Hisec at existing facilites (I went and found this out!), carriers can be built in lowsec stations, its the next lot of Caps after that that need POS's with Arrays and such.
As for BP research. Simud Solaris has been created, he will become CEO of the POS/Research corp Mangala will have setup by this time tomorrow, within the week a tower will be up in Caldari space, close to Anttiri (More said once its done) once standings have taken hold.