So much to do, so much not to do. What's a girl to do? Well, here is just a smattering of what's going on tonight. (An aside, is there any reason to buy bags of fun-size candy anymore to hand out to costumed tykes? We haven't seen a trick-or-treater in ages. Sob.) -- Hellgate Halloween: Vice magazine (SF's no. 1 fan) is throwing a bash with a complimentary bar (!) and tunes by Chromeo......