This is my 500 pt list. May not be the most competitive, but should give you a starting point.
Patrol - Black Heart (494 pts)
Archon - Blast Pistol, Huskblade, Djin Blade (Relic), Eternal Hatred (Warlord)
Warriors x 10 - Splinter Cannon
Warriors x 9 - Blaster
Warriors x 5 - Blaster
Raider x 2 - Dissintigration Cannon
Venom - Dual Splinter Cannon
Maybe throw on a Phantasm Grenade Launcher to take up the last 6 points.
Basic strategy is to keep everything together, and foccus on a single enemy thing each turn. Your instinct will be to spread out and tackle multiple enemy units (because of your speed), but you must fight this. Sit back, focus on a single thing (trying to be out of LOS from all other enemy units), then move onto the next thing. Dont spread out until late game, or you will be picked apart piece by piece.
Good luck, have fun, and most importantly come back and tell us how you did!