Reverse Engineering Guide

http://www.swtor.com/community/showthread.php?t=45866

Flashpoints / Operations Flow Map

Flashpoint Loot Tables

This is a pretty handy reference for what gear drops in each flashpoint by advanced class type.

http://www.tor-loot.com

Companion Cheat Sheet

List of each companion per class, what their role is, what their crew skill bonuses are and what gifts they prefer:
http://www.swtor-spy.com/companions/

Maybe alt-aholicism isn't such a good plan

At least at first, considering there is a feature called the 'legacy system' where you get to pick a last name for all of your characters. When do you get to pick it? Sometime after chapter 1, which is likely 40 hours into a toon.

See here:
http://www.epictoon.com/blog/2011/11/23/swtor-legacy-system-surname-business-faqs/

Wowhead for swtor? torhead!

Who saw that coming? ;)

For all your item, ability, crew skill, class, mission, title, and skill calculator needs, torhead is here!

http://www.torhead.com

Deciding Which Crewskills to Pick

To see crew skill bonuses and favorite gifts for your companions, check this out:
http://www.swtor-spy.com/companions/

This is a great guide for picking the best crew skills for your class:
http://www.swtor.com/community/showthread.php?t=132015

More crew skill information:
http://www.swtor.com/community/showthread.php?t=530

Here's a handy chart that shows which other crew skills the crafting crew skills depend on: