Hi,
lets get the easy-one out of the way first,,
to chat in MP, [press numlock., then type-in words,
then push ENTER].,
do a search in this forum for targeting,, and pick
the best, or a mix of, thats meets your requirements,,
my persomal FAV is by; Threadfin,
here's the thread;
http://www.subsim.com/phpBB/viewtopic.php?t=49673
He does a GREAT job of explaining his system,,
works for me!!
good-luck!
BigJ47