(was it N64 version only?)

I would LOL if Starcraft 2 ended up on the Wii.

Since when did Marines get jetpacks?

NOT THAT I'M COMPLAINING

<3 ~

Overseer
Classic StarCraft unit, or new to StarCraft II?: New
Description: Individual Overlords can be upgraded by the player to Overseers, which serve as airborne detector units. Overseers lose the slime and creep abilities of the Overlord, but gain a larger sight radius and give the player the ability to see cloaked and burrowed enemies.

Queen
Classic StarCraft unit, or new to StarCraft II?: New
Description: The original StarCraft had a units called Queens, but the Queen in StarCraft II is so different, that its form and function do not at all resemble the Queens from the original game. The two units merely share a name.

In StarCraft II, Queens are birthed directly out of the Hatchery, and you can only control one at a time. The Queen is a powerful fighting unit, but more importantly, she orchestrates the defense of Zerg bases by using a number of unique abilities. Queens can create special structures that expand the base of creep, or act as stationary defense turrets.

Also, as Queens evolve, they can gain new abilities such as Deep Tunnel, which allows the Queen to instantly move to any of your buildings on the map. The Toxic Creep ability makes a small area of creep damaging to enemy ground units standing on it. Swarm Infestation lets the Queen temporarily turn any Zerg building into a defensive turret that shoots at enemies, while Regeneration lets the Queen quickly heal any damaged Zerg structures.

Roach
Classic StarCraft unit, or new to StarCraft II?: New
Description: The Roach is a specialized ground unit with the unique ability to very quickly regenerate damage. Used properly, Roaches can absorb tremendous amounts of damage and can only be killed with concentrated and heavy fire from enemies.

Baneling
Classic StarCraft unit, or new to StarCraft II?: New
Description: The Baneling acts as a rolling bomb that explodes on contact with an enemy unit or building. Groups of Banelings can quickly cut a swath through enemy infantry and even take down structures when fielded en masse. Banelings can be morphed from Zerglings.

Nydus Worm
Classic StarCraft unit, or new to StarCraft II?: New
Description: The Nydus Worm puts a new twist on the Nydus Canal mechanic from StarCraft II. Nydus Worms can move to create an entry/exit point anywhere on the map, allowing the Zerg army a means to almost instantly funnel ground troops from one side of the map to the other.

Infestor
Classic StarCraft unit, or new to StarCraft II?: New
Description: The Infestor is the primary support unit for the Zerg in StarCraft II. It doesn't possess a direct attack but its unique abilities make it a fearsome sight on the battlefield. Dark Swarm creates a smokescreen for units to hide under, protecting them from ranged attacks. Disease targets a single enemy, giving it a damaging aura that hurts surrounding units. The Infestor also has the Infestation ability, which temporarily infests an enemy structure, causing it to produce Infested Marines. Finally, the Infestor has the ability to move while burrowed, making it useful for sneaking in under enemy base defenses.

Corruptor
Classic StarCraft unit, or new to StarCraft II?: New
Description: The Corruptor is the Zerg's dedicated air-to-air unit. Corruptors don't immediately destroy their targets. Instead, the targeted enemy becomes corrupted, becoming a stationary turret that fires at other nearby enemies. In this way, Corruptors can quickly overcome large groups of enemy fliers, turning them against one another.

Swarm Guardian
Classic StarCraft unit, or new to StarCraft II?: New
Description: As with the Guardian in the original StarCraft, the Swarm Guardian in StarCraft II is morphed from the Mutalisk, and serves as the Zerg's aerial siege weapon. The Swarm Guardian possesses a long-range, air-to-ground attack that hits for a good deal of damage and also spawns small broodlings that can attack for a short period of time.