I'm really not for a group parser. I'd much rather have a Personnel parser that I can turn on/off that says.

Your DPS: xxxx
Miscellaneous stats: (such as crit %/accuracy/Damage Taken/Healing/%Overheal)
Average DPS of your class in this Trial or Open world: (Probably limited to the past 3 weeks)
Upper Quartile/Highest of DPS of your class in this trial or Open world: (Probably limited to the past 3 weeks)