I haven't really played competitively since PBS back in the R/B/Y days, but I've done some research so hopefully my team isn't to bad. I really have no clue about what items or abilities to pick. I'm also not sure on some of the natures.

All and all it's a straight forward team. 3 special attackers, 2 physical, and one guy for annoyance.

Infernape
Nature - Jolly
EVs - Speed 252 Attack 252

Close Combat
Flame Blitz
Stone Edge
Swords Dance

Starmie
Nature - Modest
EVs - Speed 252 Sp. Attack 252

Ice Beam
Surf
Thunderbolt
Recover

Crobat
Nature - ???
EVs - ???

Confuse Ray
Mean Look
Toxic
Air Slash

Dragonite
Nature - Adamant
EVs - Speed 252 Attack 252

Outrage
Dragon Dance
Earthquake
Sub/Thunderwave/Roost

Espeon
Nature - ???
EVs Speed 252 Sp. Attack 252

Psychic
Grass Knot
Shadow Ball
Focus Blast

Houndoom
Nature - ???
EVs - Speed 252 Sp. Attack 252

Sunny Day
SolarBeam
Dark Pulse
Flamethrower