How about some lowsec-specific rigs that might encourage people to take a few more risks in lowsec?
- Escape pod reinforcement rig
- Warp core stabilizer rig
- Booby-trap rig (triggers smart bomb on ship death)
- Cargo security rig (ensures that no cargo drops on ship death, and/or a version that ensures that all cargo drops)
Some/all of these rigs could be contraband in highsec.