There were GM's popping into the guild lobby on xegony all day monday. One would leave and another would come in 2 minutes later.
I'm on Xegony too. I know exactly what you're talking about with the GL; here are some recent GM snippets from my logs:
[2011/02/06 19:02:24] GM Proud Stallion has entered the zone at 07:02:24 PM
[2011/02/06 11:47:45] GM Gouzah has entered the zone at 11:47:45 AM
[2011/02/05 16:58:34] GM Darkshade has entered the zone at 04:58:34 PM
[2011/02/04 00:01:11] GM Cold Goblin has left the zone at 12:01:11 AM
[2011/02/03 10:10:00] GM Hajiko has entered the zone at 10:10:00 AM
[2011/02/03 10:10:01] GM Meidaroh has entered the zone at 10:10:01 AM
[2011/02/02 17:10:35] GM Hajiko has entered the zone at 05:10:35 PM
[2011/01/31 19:10:44] GM Meidaroh has entered the zone at 07:10:44 PM
[2011/01/31 09:27:46] GM Darkshade has entered the zone at 09:27:46 AM
[2011/01/20 23:35:36] GM Ver Treedweller has entered the zone at 11:35:36 PM