Update.
In the next version of SmackDown vs RAW, there will be 8 new superstar fighting styles, and each superstar will be allocated 2 of them, having moves, and such that only wrestlers of their type can perform. Each created superstars will be able to have a primary, and a secondary fighting style, but with restrictions, such as Cruiserweights will not be able to be a powerhouse.
The 8 styles will be:
Technician- Technicians will be able to reverse moves that other fighting styles can not.
Submission Artist- Will be more suited to submission moves, being able to hold them for longer.
Showman- High in charisma, and perform a lot of taunts, gaining fast momentum, and even lower that of their opponents.
Powerhouse- Will be able to power out of any pin, providing they havr a finisher stored
High Flyer- Will be able to perform flying moves, over the ropes, and from the turnbuckle, that other style can not.
Hardcore- Have better use of the environment with hardcore style, and be more efficient in no DQ style matches.
Dirty- Will be able to use referee as shield, becoming invincible, and will also be able to perform the con-chair-to.
Brawler- Will be excellent at striking kind of moves.
More tricks, tips and cheats for this game are right here - WWE SmackDown! vs. RAW 2008 cheats