The mask and fins are all you need to start (well, you'll need a
snorkel too for your class, but any old cheapie will do).  Don't buy
until you know what you want to buy, not what someone else tells you
to buy.

First you need an instructor, most often found associated with a dive
shop.  Try to get a good recommendation from word of mouth.
Otherwise, check out a few shops before you decide, talk to the
people, avoid the pushy sellers who just want to dump gear on a newbie
and throw in a class for free.  While the one-weekend class might be
all that some people need to get them started, there's definitely no
harm in getting the most out of your tuition by opting for the longer
class schedule.  Repetition breeds perfection.

At the same time, try to find divers or dive clubs not associated with
a dive shop so you can a balanced perspective from someone who's not
trying to make a buck off you.  This will also lead to buddies for
your future dives who can mentor you into the diver that a single
class can't hope to produce.

That's the general info.  Someone here might have more particulars on
your area.

Good luck.