should be fine with PC's--one of those 2x65 watt fixtures should be plenty. As long as you do weekly water changes, a hang-on-back filter like the Aquaclear 70 should be just fine for water flow and to run carbon/purigen and your heater if you want. I think HQI's over a 29 gallon would be overkill for softy frags, especailly the shrooms. You can make this real simple, or if you want, go all out--totally up to you and your wallet. If it was my tank, and just softy frags, I'd go the above route and be done with it. No skimmer or sump necessary, just good husbandry.