I would suggest you go here --> http://www.linux-on-laptops.com/acer.html
There are four reviews of different distros for that laptop. Have a look through them. It appears to me as most distros will work. Antheros wifi cards usually work with the correct linux module modprobed, then configured.
As for which distro to pick, do some reading on this board, that is a common question. If you are new to linux, try one of the distros with a package manager ( for installing software ). ie Ubuntu, or Madriva, or Fedora. There are lots of choices.