Let's do this, NYE-style: Amalia performs with Opolopo at Sweaterfunk

Below are our picks to ring in the new. Events are listed alphabetically. Parties end at 2 a..m. except where noted. For more New Year's parties, see This Week's Picks. For New Year's Day parties, click here. Lampshade hats not included.

1984

Light on the Orwellian totalitarianism and heavy on ceaselessly pumping '80s music, longtime favorite retro night 1984 takes you back to the future once again. And it is free!

9 p.m.-2 a.m., free. Mighty, 119 Utah, SF. www.mighty119.com

ALL DAY PUNK ROCK NEW YEAR'S

Considering we're about to embark upon another year full of economic gloom and doom, the band names from Eli's lineup — World of Shit, Short Changed, Society Dog — aren't too uplifting. But at least they'll help you rage through.

2 p.m.–12:30 a.m., $10. Eli's Mile High Club, 3629 Martin Luther King Jr. Blvd., Oakl. www.elismilehigh.com

BEARRACUDA

What could possibly say New Year more than a hunky mass of sweaty, hairy gay bears getting down until the wee hours? You in the middle! DJs Craig Gaibler and Brian Maier keep it steamy.

8 p.m.-3a.m., $25. Club 8, 1151 Folsom, SF. www.bearracuda.com

BOBB SAGGETH

Elbo Room's NYE spectacular includes the West Coast's greatest Black Sabbath cover band* Bobb Saggeth, featuring members of Saviours, Citay, 3 Leafs, Sean Smith. Plus, it's dark metal lords Black Cobra's homecoming show. *Note: the "greatest Black Sabbath cover band" descriptor is self-inflicted though accurate. With Black Cobra.

9 p.m., $20. Elbo Room, 647 Valencia, SF. www.elbo.com

BOOTIE

Mashup mayhem galore at the original bastard pop party, whose special NYE installment includes mashup band Smash-Up Derby performing live and DJs Adrian and Mysterious D., Mykill, and Dada. Plus: ballon drop!

9 p.m.-3 a.m., $25–$50. Mezzanine, 444 Jessie, SF. www.mezzaninesf.com

CALIFORNIA HONEYDROPS

With raucous group efforts towards blues, gospel, New Orleans jazz, and R&B, California Honeydrops tend bring the sonic party wherever they play — why should NYE be any different? Admission price gets you live Americana music and a drink of your choosing.

11 p.m., $40. Pizzaiolo, 5008 Telegraph, Oakl. (510) 652-4888, www.pizzaiolooakland.com

ECLECTIC FEVER

A glowing, global party to dive into, with the effervescent Zap Mama, plus Sila, Non Stop Bhangra, Sambaxe Dance, and DJs J-Boogie, Jimmy Love, DJ Jeremiah, and Matt Haze. A real ear-opener for 2012.

8:30-4 a.m., $65. 1290 Fillmore, SF. zapmama.eventbrite.com

EL SUPERRITMO!

We have a soft spot for this weekly throwdown of tuneful styles from Latin America — cumbia, baile funk, reggaeton, and more. This promises be a wild installment with residents El Kool Kyle and DJ Roger Más joined by Ricky Garay, aka Señor Mucho Musica.

9 p.m., $20. Makeout Room, 3225 22nd St., SF. www.makeoutroom.com