I haven't heard anything about Bioshock getting ported to PS3 since its exclusive to MS. You honestly don't even need a great PC to run that game. I just played the demo with my sig rig with all the settings on high except for the resolution.
[Project] Ω Reestablished / [Project]Nemesis i7 Revival "A new Genesis is at hand, and I shall be its creator!"~Albert Wesker "The best case mods are never finished, but in a perpetual state of evolution."~Flux "Do not let the kindness of your heart be sullied by the underhandedness and lack of sincerity of those that you cross paths with." ~ Syrillian