WTF is My Gear Score?

#	Class	Name	Guild	Score
1	shaman	Mithrandil	Amberkin Tribe	17,485
2	hunter	Norad	Castellum Warriors	17,244
3	death knight	Dreadsky	Crude Crusaders	17,094
4	death knight	Valkoan	Lycoris	17,058
5	warrior	Winterstorm	Anomaly	16,633
6	priest	Yobeci	LAT	16,597
7	death knight	Vaash	Rimfrost	14,367
8	warlock	Voldemort	Villsvinet te Geourgiou	14,308
9	mage	Dingeling		11,699
10	warlock	Bogrim	Infinity Challenge	10,150
11	paladin	Nibbit	Postal	8,591
12	warrior	Furiousblade	Closure	5,738
13	death knight	Itza	Finnish Brute Force	5,326
14	warlock	Thantor	Postal	4,605
15	druid	Donquiz		2,509
16	priest	Andipandia	Distinct Advantage	759
17	mage	Whitemagee	Postal	729
18	hunter	Draël		298
19	druid	Eggcellent	E Pluribus Unum	280