Guild Wars 2

http://gw2skills.net/editor/?fVAQNAR7dlsApcodDxaI8DNR8QVVAg9UEFV61/QQkDA-TFTDwA9UyNTlAYqBEUpwztHlBJeCgSwxWB8SVHQ6GAYyTyFBgspgAAIAczApA4aYE-w

This is a roaming Dps med guardian build

Where are areas that i should improve?
Is 2800 armor enough?

Eh, looks alright I guess. This is what I would do:

Take soldiers armour instead of zerkers if you want more survivability (keep everything else berserker), take 5 points out of Honor and put 4 into virtues for absolute resolution ( the extra condi clense is great ) and 1 into radiance for blind on justice. Get yourself a full rune set, travellers are pretty good for that movement speed, helps a lot in fights. Probably use a different food, like sliced candied dragon rolls for the precision (lifesteals alright too)

This is what I run