Your getting that itch again I see. I thought you didn't like the Orcs? Well anyways, if you ask me, from what you've told me, you might be happier playing an Orc. But lets see what the experts have to say.
Your question is... too general. Although that's to be expected I guess.
Personally I think orc desyroyers are awesome. Insanely high health and CP, high strength and Con. Only problem is their speed-- they're turtles with diamond katanas :D . Good in groups and their playstyle is relatively simple. Great polearm users.
In PvP, you'll often see them using a bow-- the lack of masteries and range is partially made up for because their strength is so high. They deal more damage than most archers using a bow (however, they lack the range, speed, crit rate, abilities and kiting tactics of an archer class).
I've played with a Titan (Destroyer 3rd Class) for the past 6 months and i can tell you the things they can do is out of this world, forget the party.. you are the party.
Get an Se/PP or WC and go into a Cata, the room will be yours.
The Titan in my Clan can clear a 76-80 Catacomb room in less than 20seconds, he can clear 2 rooms solo. 2 shots mobs there in 2 hits (crits) its going to be my 3rd Sub-Class. Once i'm finished the 2nd. (15 levels to go).
As for PvP.. Destroyers in BW Heavy, WW, Zerk, SongofWind will catch most targets except the dex based Elves/Light Elves.
With their immense HP they are a good easy class to play that when played right can also be one of the Strongest. Same goes for all Orc Classes.. they are simple, yet powerful in the right hands.