I love.....

-Flyleaf
-Celldweller
-Godsmack
-Powerman 5000
-Rob Zombie
-Grand Theft Audio
-K's Choice
-Evanescence
-Lacuna Coil
-More Lacuna Coil
-And...uhh.....Apocalyptica

I have more, but too lazy to list them all. (I might be here all day)

The Decemberists
Elephant 6 and the related offshoots (Olivia Tremor Control, Neutral Milk Hotel, Of Montreal, etc)
Elvis Costello
Jay-Z
MF Doom
Radiohead
Spoon
Ted Leo

[FIQL plug]
You can edit your profile (in MyFIQL) to display all your favourite artists as well. I see, Mysti, that you've already listed a ton of them.
[/FIQL plug]

McFly
Busted
BOYS LIKE GIRLS
Son of Dork
Fightstar
the Click Five
the rocket summer
hilary duff
mandy moore
panic! at the disco

there is alot more but aren't my top favorite.

LINKIN PARK
NEW ORDER
FORT MINOR
PANIC! AT THE DISCO
EVANESCENCE
OUTKAST
DEPECHE MODE
FATBOY SLIM
GREEN DAY
WEEZER
THE WRECKERS..........AND SO ON...........
;-) On The Radio!!! Newest Songs!!!

Acceptance
Aqualung
As Tall As Lions
Brand New
Brightwood
Circa Survive
City and Colour
Dredg
Glassjaw
Guster
Imogen Heap
Ivory
Jack's Mannequin
Jimmy Eat World
Keane
Mae
Margot and the Nuclear So & So's
Melancholy Bloom
Moneen
Neverending White Lights
OneRepublic
Radiohead
Sleepaway
Sleeping At Last
Snow Patrol
Terminal
The Format
The Notwist
The Perishers
The Postal Service
The Recieving End of Sirens
The Sound Of Animals Fighting
Thirteen Senses
This Day and Age
Thursday
Waking Ashland
Winterpills

Well I have loads but I'll keep it short for my most listned to bands.

1. Muse
2. Queens of the Stone Age
3. Skinny Puppy

My top 3 would be:

1. G. Love & Special Sauce
2. Michael Franti & Spearhead
3. Citizen Cope

School for the Dead
The Shins
Velvet Underground
Harry Nilsson
Robyn Hitchcock
Throwing Muses
Pixies
Winterpills
They Might Be Giants
XTC
The Cure

incubus. velvet revolver, Pearljam, nine inch nails

1. Queens Of The Stone Age
2. Nirvana
3. Muse
4. The Cribs
5. The Klaxons
6. The Shins

1.Muse
2.Bloc Party
3.The Fray
4. The Shins
5. Radiohead
6. Bright Eyes
7.Metric
8. Kaiser Chiefs
9. Emilianna Torrini
10. The Dandy Warholes

My favourite bandsr?
1. The Beatles
2. The Kinks
3. The Clash
4. The Pogues
5. Madness
6.The Specials
7. Panic! At The Disco
8. The Academy Is...
9. Fall Out Boy
10. Taking Back Sunday
11. Oasis
12. The Fratellis
13. The Hush Sound
14. Pendulum
15. Forgive Durden

kiss
smashing pumkins
nirvana
cheap trick
quiet riot
guns n roses
the rolling stone
u now WHAT your making me go to far

Maroon 5, Jay-Z, Linkin Park, Outkast, Fort Minor

My post will include just the top 5 of my favourite bands otherwise this post would be pretty lenghy:

1) Avril Lavign
2) Good Charlotte
3)Jimmy Eat World
4)Vertical Horizon
5)Wyclef Jean

Lets keep it short and simple.
Top Ten, sucka.
1. From First To Last.
2. My Chemical Romance.
3. Led Zeppelin.
4. Aiden.
5. The Fall Of Troy.
6. CKY.
7. Flyleaf.
8. The Matches.
9. Moneen.
10. Saosin.
11. Whitesnake
Yeah, Good Ol' Number Eleven..I just had to push the envelope a little bit. :]

grateful dead
led zeppelin
cream / clapton
pink floyd
widespread panic
citizen cope
a tribe called quest
sublime
phish
perpetual groove
john buttler trio
the beatles
aerosmith
the roots
lynard skynard
red hot chili peppers
zztop

my favorite band right now would have to be breaking benjamin :)

Panic! At The Disco
Fall Out Boy [[I LOVE PETE]]
Paramore
Gym Class Heroes [[TRAVII]]
Lily Allen

Music is fkn awsome

mine are:
- enter shikari
- death cab for cutie
- modest mouse
- muse
- regina spektor