Hi. I'm interested in joining a Halo 3 clan. Is anyone recruiting?

hi, just started playing Halo online last week (I know Halo 3 is out, but my
laptop is only able to run ver 1 - I have XP on my sys not vista thank
goodness). problem is I can shoot enemies, most of the time they die (well
ok, some times they die as I am just a noob) but I'm not ...

On a computer, do most people play halo 1 or 2?