I know where some of the vanguard armor can be found.
Ebon Vanguard Barbute AC:158 East Freeport
Armorsmith Ikthar Icehammer
Ebon Vanguard Cuirass AC:394 East Freeport
Armorsmith Ikthar Icehammer
Ebon Vanguard Gauntlets AC:158 East Freeport
Armorsmith Ikthar Icehammer
Ebon Vanguard Gauntlets (Dropped) AC:171 Rivervale
A Field Fright
Ebon Vanguard Gauntlets (Dropped) AC:171 Rivervale
A Field Fright
Ebon Vanguard Greaves AC:236 East Freeport
Armorsmith Ikthar Icehammer
Ebon Vanguard Gussets AC:236 East Freeport
Armorsmith Ikthar Icehammer
Ebon Vanguard Sabatons AC:158 East Freeport
Armorsmith Ikthar Icehammer
Heavy Elephant Hide Vanguard AC:187 STR+3 AGI+2 SvDisease+32 SvMagic+5 Longshadow Alley
Quest: No Rivals For Yarana
Iaensteel Vanguard Spaulders AC:134 STA+2 WIS+6 Health+17 Power+11 SvFire+67 SvCold+84 Thundering Steppes
A Skindancer Defiler
A Skindancer Knight
A Skindancer Legionnaire
A Skindancer Sentry
Rubicite Vanguard Gussets AC:316 STR+9 INT+7 Health+29 Power+31 SvDivination+264 SvPoison+396 Rivervale
A Nightblood Firefury
A Nightblood Harrower
A Nightblood Shadowrage
A Nightblood Tormentor
Silvril Vanguard Spaulders AC:229 STA+5 WIS+7 Health+26 Power+18 SvFire+128 SvCold+256 Runnyeye Citadel
A Gorehorn Butcher
Steel Vanguard Barbute AC:95 Scale Yard
Arms Dealer Shilza
Steel Vanguard Cuirass AC:236 Scale Yard
Arms Dealer Shilza
Steel Vanguard Gauntlets AC:95 Scale Yard
Arms Dealer Shilza
Steel Vanguard Greaves AC:142 Scale Yard
Arms Dealer Shilza
Steel Vanguard Greaves (Dropped) AC:120 Edgewater Drains
A Drudge Mucus
Steel Vanguard Gussets AC:142 Scale Yard
Arms Dealer Shilza
Steel Vanguard Sabatons AC:95 Scale Yard
Arms Dealer Shilza
Steel Vanguard Spaulders AC:142 Scale Yard
Arms Dealer Shilza