Any Guilds that Raid during U.S. hours?
 

I've gone through the list, doesn't seem we have many that raid during U.S. hours. I am still somewhat new to the server, so perhaps I am mistaken, blind, or both. (Or have been too busy grinding to pay attention)

Any decent U.S. guilds around that has some stability?

there are guilds that raid during U.S. hours, in fact most guilds raid during U.S. hours.

And there are a few guilds that are very stable and raid very frequently.

Guilds don't raid anymore, they camp spawns for days on end.

Basically, since the spawns are random you never know when to expect a raid on a boss.

As far as farming the Planes for gear. Those seem to go in shifts between Europe and US prime time.