Wow, this is very unfriendly to Macs....Steam is trying to dump everything into my Documents folder. I had to go into Terminal and create a symbolic link for "Steam Content" onto my external HD because no way do I have a spare 5G on my internal one:
(search users, here are those commands) # cd ~/Documents # ln -s /Volumes//Steam\ Content Steam\ Content
It's pretty annoying the developers didn't make it more easily configurable where Steam saves its data - at the VERY least, let me choose a different disk! COME ON
(Maybe some day I'll actually have time to play Portal and tell you what I think of IT! )
Just keep running around outside of the ring to get them seperated. Then when one of 'em gets close, try to do a weak B grapple, or whatever is the most powerful that you think they won't reverse. After they go down, run away.