laser.

and not the crummy laser rifle, im talkin about the tri beam or a RCW.

plasma is WAY to slow and it misses WAY to much.

guass rifle? that would be a first in my book, (how long does that alien blaster last you anyway?)

I think it's electricity.
While it doesn't use an electric bolt it does use electro-magnetism whatever that is, so I think it fits in electricity along with Alien Blaster, Pulse Pistol and Tesla Cannon.

I would say Gauss, I wish they would make a whole Gauss weapons line, not just the new Gauss rifle.

On a side note, if EVE (energy weapons visuals enhanced) make's it to new Vegas someday, then laser. The death animations were so much cooler on critical hit.

Nothing like watching someone skin vaporize into the air, then there "ash skeleton" disintegrate in to a pile of black ash on the ground (with a smoke trail).

Yeah I think it would be awesome with a Gauss skill with enough weapons to carry it along.
Only problem I see is that people would complain about too many skills.
I don't care really.
Would rather have Laser Weapons, Plasma Weapons, Electricity Weapons, Gauss Weapons, Flame Weapons, Ballistic Weapons, Explosives, Throwing, Blade, Unarmed, Blunt and Arrow-Based Weapons as skills. (And would much rather have Ballistic split into Sidearms, Rifles and Shotguns but it would cluster it up waaaay too much to an already clustered list.)
But even if they don't get their own skill it'd still be nice with a lot more gauss weapons.

Between the two, laser. Plasma is too inaccurate for me.

PS: Gauss weapons all the way.

Gauss is the best.

But the plasma caster is close behind, then followed by the fulled modded laser rifle. So plasma

Indeed, it can't come soon enough. The head explode is pretty awesome as well.