H&M's got you covered. Just dress as ridiculously as possible. Lots of hot pink available there, with lots of crazy texture.
H&M faux-fur jacket, $129.
Also, anyone looking to reprise a Matrix look? There are plenty of pretty badass-looking faux-leather bustier-type dresses for about $50. If you want to look hot for the holiday, look no further.
What are YOU planning on dressing as for Halloween?