Huh, that last human engineer coincidentally looked almost EXACTLY like my warrior main from GW1 (except for the lack of heavy plate armour of course).
Interesting to look at I guess; the Engineer is the first class with absolutely NOTHING in common with any class from the original. Not sure if it would really be all that fun to play though, have to admit that none of those combat scenarios really looked that enjoyable, especially the charr one where the engineer just kited backwards throwing different kinds of bombs.