Hovercraft Records is Portland's home for punk nostalgists, so it's hardly surprising that this showcase features a handful of terrifically enjoyable bands that never flipped the calendar past 1978—the Suicide Notes, Courtney and the Crushers, Pataha Hiss, the No Tomorrow Boys. On a more contemporary note, Clorox Girls are headlining, apparently with their original lineup—which means that there may be an actual girl in the mix. To my mind, the standouts are Guantanamo Baywatch and their sister band, Boom! In particular, Boom! make post-punk that's equally informed by their own imagination as by their musical forerunners. I was recently blown away by their Boom!...does the Ronettes!, a delightful covers EP that transforms the sunny originals into an accurate depiction of the degeneracy of the songs' writer/producer, Phil Spector. For tonight's jam-packed showcase, the first 250 people in the door will be handed a free 23-track compilation cassette, representing the lion's share of Hovercraft's roster. REBECCA WILSON Also see My, What a Busy Week!