I got PokerTracker to work! Unfortunately the process is quite long, but for those who absolutely need to use the program now, I will list the steps below.
1. Download Xcode - This application can be found in the Mac App Store for free, but the download file is quite large, it is a couple of gigs, so be patient with the download.
2. Download MacPorts 2.0 for Lion - after downloading Xcode, download the MacPorts 2.0.0-10.7-Lion.dmg, which can be found here:
https://distfiles.macports.org/MacPorts/3. Follow the instructions given on this site:
http://shifteleven.com/articles/2008/03 ... g-macportsEven though the post was intended for Leopard users, this works perfectly for Lion as well.
Remember to be patient when executing these commands, as installing postgresql via Terminal could take some time.
Hope this helps! :)