I quite enjoyed TOR. Probably because I am not overly into MMOs and played solely with a friend, so it was fun making a character, and going through the quests and main storylines (though in this case as invisible additional help) together. I actually wanted to get back into it again recently however have found that whenever I try to sign-in I am told to expect a password, and I just never get one in my email. So I actually cannot play because their system simply will not successfully send me that password.
After getting helped numerous times and told to try every little thing it simply won't happen. So, oh well. I still enjoyed it when I could play it. My friend and I as typical for an RPer would create little character sheets for our characters in game and would transpire through the quests with those character sheets in mind.
In any case my only issues with it is that the F2P is atrocious and so the only way to enjoy it is with subscription (at least in my opinion), and that EA would put on a price on any thing. As well of course the numerous issues the website has (such as my inability to ever receive a password to actually access my account).