Styling products generally come down to personal preference. For example, I've found gel to be the single best styling product that I can use on days that I cleanse my hair, but I prefer to use mousse to refresh 2nd day hair. This link explains a little bit more:
TON of useful information for new curlies!! =)
There was also a recent thread in General Hair along the same lines as your question:
Gels, Jellies, curl creams, serums..whats the deal?
Hopefully these links will give you a good starting point. You might also want to check the normal porosity forum for additional ideas.