Guild Wars 2

So guys, I haven’t played a lot of engineer and was trying to theorycraft some builds. This is what I’ve come up with and it seems to balance damage with team support. All comments welcomed and encouraged.
http://intothemists.com/calc/?build=-ZRR;2cPku0o5NQFx0;9;4jkl;0138148036;9;90n

Hoelbrack runes, wep runes +20%burning and Rune of Earth

I think the one that chaith is running is very strong:

http://gw2skills.net/editor/?vdAQFAUlUUhSsYJXw+KQ+FLvF14Z0F5o4F1EJx3QFhBAA-TJxHABXXGYgHAAAXAAR2fAA

I also like to use this, more defensive/stustain version:

http://gw2skills.net/editor/?vdAQFAUlUUhSsY7Ww+KQ+FLvFVYRFRpm4F1EJx3QFhBAA-TJxHwADeAAAuAAi2foYZAA