I know most of you are too pretentious to bother, but I thought this sounded like a fun idea.
edit due to gunnels:
red indicates who I think will win
blue indicates who I think should win
bold means both
Best New Artist
Keri Hilson
MGMT
Silversun Pickups
The Ting Tings
Best Female Vocal Pop Performance
'Hometown Glory,' Adele
'Halo,' Beyonce
'Hot N Cold,' Katy Perry
'Sober,' Pink
'You Belong With Me,' Taylor Swift
Best Male Pop Vocal Performance
'This Time,' John Legend'
'Love You,' Maxwell
'Make It Mine,' Jason Mraz
'If You Don't Know Me By Now,' Seal
'All About the Love Again,' Stevie Wonder
Best Dance Recording
'Boom Boom Pow,' The Black Eyed Peas
'When Love Takes Over,' David Guetta & Kelly Rowland'
'Poker Face,' Lady Gaga
'Celebration,' Madonna
'Womanizer,' Britney Spears
Best Electronic/Dance Album
'Divided By Night,' The Crystal Method
'One Love,' David Guetta
'The Fame,' Lady Gaga
'Party Rock,' LMFAO
'Yes,' Pet Shop Boys
Best Metal Performance
'Dissident Aggressor,' Judas Priest
'Set to Fail,' Lamb of God
'Head Crusher,' Megadeth
'Señor Peligro,' Ministry
'Hate Worldwide,' Slayer
Best Rock Instrumental Performance
'A Day in the Life,' Jeff Beck
'Warped Sister,' Booker T. Jones
'Playing With Fire,' Brad Paisley
'Mr. Surfer Goes Jazzin',' Brian Setzer Orchestra
'Now We Run,' Steve Vai
Best Rock Song
'The Fixer,' (Pearl Jam)
'I'll Go Crazy If I Don't Go Crazy Tonight,'(U2)
'21 Guns,' (Green Day)
'Use Somebody,' (Kings Of Leon)
'Working on a Dream,' (Bruce Springsteen
Best Rock Album
'Black Ice,' AC/DC
'Live From Madison Square Garden,' Eric Clapton & Steve Winwood
'21st Century Breakdown,' Green Day [Reprise]
'Big Whiskey and the Groogrux King,' Dave Matthews Band
'No Line on the Horizon,' U2
Best Alternative Music Album
'Everything That Happens Will Happen Today,' David Byrne & Brian Eno
'The Open Door,' Death Cab For Cutie
'Sounds of the Universe,' Depeche Mode
'Wolfgang Amadeus Phoenix,' Phoenix
'It's Blitz!' Yeah Yeah Yeahs
Best Rap/Sung Collaboration
'Ego,' Beyoncé & Kanye West
'Knock You Down,' Keri Hilson, Kanye West & Ne-Yo
'Run This Town,' Jay-Z, Rihanna & Kanye West
'I'm On A Boat,' The Lonely Island & T-Pain
'Dead And Gone,' T.I. & Justin Timberlake
Best Rap Song
'Best I Ever Had,'(Drake)
'Day 'N' Nite,' (Kid Cudi)
'Dead And Gone,' (T.I. & Justin Timberlake)
'D.O.A. (Death Of Auto-Tune),'(Jay-Z)
'Run This Town,' (Jay-Z, Rihanna & Kanye West)
Best Rap Album
'Universal Mind Control,' Common
'Relapse,' Eminem
'R.O.O.T.S.' Flo Rida
'The Ecstatic,' Mos Def
Best Comedy Album
'Back From The Dead,' Spinal Tap
'A Colbert Christmas: The Greatest Gift Of All!' Stephen Colbert
'Internet Leaks,' "Weird Al" Yankovic
'My Weakness Is Strong,' Patton Oswalt
'Suckin' It For The Holidays,' Kathy Griffin
'Tall, Dark & Chicano,' George Lopez
Best Compilation Soundtrack Album For Motion Picture, Television Or Other Visual Media
'Cadillac Records,' (Various Artists)
'Quentin Tarantino's Inglourious Basterds,' (Various Artists)
'Slumdog Millionaire,' (Various Artists)
'True Blood,' (Various Artists)
'Twilight,' (Various Artists)
Best Score Soundtrack Album For Motion Picture, Television Or Other Visual Media
'The Curious Case Of Benjamin Button (Disc 1),' Alexandre Desplat, composer
'Harry Potter And The Half-Blood Prince,' Nicholas Hooper, composer
'Milk,' Danny Elfman, composer
'Star Trek,' Michael Giacchino, composer
'Up,' Michael Giacchino, composer
Best Song Written For Motion Picture, Television Or Other Visual Media
'The Climb' (From Hannah Montana: The Movie), Jessi Alexander & Jon Mabe, songwriters (Miley Cyrus)
'Decode' (From Twilight), Josh Farro, Hayley Williams & Taylor York, songwriters (Paramore)
'Jai Ho' (From Slumdog Millionaire), Gulzar, A.R. Rahman & Tanvi Shah, songwriters (A.R. Rahman, Sukhvinder Singh, Tanvi Shah, Mahalaxmi Iyer & Vijay Prakash)
'Once In A Lifetime,' (From Cadillac Records), Ian Dench, James Dring, Amanda Ghost, Beyoncé Knowles, Scott McFarnon & Jody Street, songwriters (Beyoncé)
'The Wrestler' (From The Wrestler), Bruce Springsteen, songwriter (Bruce Springsteen)
I omitted the less popular ctergories, full list here:
Grammys Nominees 2010 - AOL Music Blog