PvP
First off, how hard is it to get into the PvP aspect of the game? Are large guilds a must to get anywhere? Do the best PvP skills take forever to get?
PvE
I love the environments of Guild Wars. Playing the PvE campaign on my Factions trial account is candy to my eyes. Is it possible to solo most of the game with henchmen? Are there raid type dungeons that require a bunch of players to complete like Warcraft? Is all high level equipment pretty much equal in terms of stats?
One of the biggest issues I'm having with the game right now (This is on my Factions trial account) is that there isn't a sense of community like Warcraft. Everytime you load into a town there are new players you've never seen before. It seems you go into town, trade, skill up, and go back into the wilds with your henchmen. Players seem pretty rude, actually. The only time you actually see people talking is when they are spamming wares.
I'm sure finding a good guild in the game would alleviate alot of my problems, but most guilds I have seen recruiting seem to be of the younger l33t crowd that have poor leadership/cliques.
Now having said all that I don't want to pass judgement on a game I have only spent a few trial days in. I would like to thank you all in advance for any insight you can provide an Ex-WoW addict.

EDIT: I forgot the most important question of all. Does this game require as much time as WoW to have that same sense of accomplishment?