So you are looking for a little advice/guidance/information huh?
Well, we have searched the web endlessly and thoroughly for anything that may be helpful.
Here is a simple list of links we compiled that may aid you in your search for wisdom:
"All your basic information": http://wiki.guildwars2.com/wiki/Animal_companion
"Starting pets, choosing your first": http://wiki.guildwars2.com/wiki/Biography#Ranger
"All known proffession pets": http://wiki.guildwars2.com/wiki/Pets
"The list of minatures (Vanity/Mini pets)": http://wiki.guildwars2.com/wiki/Mini-pet
If you still haven't found what you are looking for, we would highly recommend browsing for it on youtube. It never fails. Though, here are a few we found useful:
"Beta - Almost All Pets": http://www.youtube.com/watch?v=Z6In1WDeE30&feature
"Character Sheet and Minatures by Curse.com": http://www.youtube.com/watch?v=LgJqbnvxj0s