your 10 best bands:

[buck]

In order.

Thin Lizzy
Metalica
Rolling Stones
Rory Gallagher
The Eagles
ACDC
Lyryrd Skynrd
Kiss
Jimmy Hendrix Experiance
Bon Jovi

[arovean]

Metallica
Led Zepplin
Motorhead
Linkin Park
Black Sabbath (mostly w/ ozzy and dio as vocals)
Alice Cooper
Kansas
Motley Crue
The Police
A.F.I.

LONG LIVE ROCK!

[buck]

DUDE...

Is that a Lute?

[~Deathlok~]

AC/DC
Machine HEad
Blind Guardian
Pantera
Rob Halford(Judas Priest,Fight)
Rage
KORN
Biohazard
Metallica
Rammstein
Cypress Hill

[arovean]

DUDE...

Is that a Lute?

A Gibson SG Diablo to be exact.

[cyberblade]

hmm... good bands? oh, way too many "best" bands... but here goes some off the top of my head:

Westlife
The three graces
Cristina Aguilera (particularly her spanish stuff)
Ricardo Arjona
Casting Crowns
Canadian Brass
London Symphony Orchestra
Boston Symphony Orchestra (and the Pops-which are a subsection thereof)
Evanescence
Andrea Bocelli
Josh Groban
RBD

err, I'm over 10 and just getting started O well, I'll be back...

[sarparto]

In no particular order;

Atreyu
Bullet for My Valentine
Lostprophets
Breaking Benjamin
31Knots
Rammstein
System of a Down
Tool
Killswitch Engage
Rise Against

[Solus]

...for me (in no particular order)

Killswitch Engage
Living Sacrifice
Demon Hunter
12 Stones
Thousand Foot krutch
Element Eighty
System Of A Down
Atreyu
Incubus
Blindspott

all good! i can list more than ten, but thats pointless.

OMG! i cant beleive i didnt say Ill Nino! DAMMIT!

complete overhaul since my last list

in no particular order:
Between The Buried and Me
All That Remains
Double Dragon
Thrice
The Human Abstract
Trapt
Opeth
Fightstar
Still Remains
James LaBrie (dream theater vocalist side project)

[Riposte]

Tool
A Perfect Circle
Karnivool
Disturbed

Chevelle
Chimaira
Stylus
Nine Inch Nails
Protest the hero
Refused

The last six could be replaced easily though

[VeNoM56k]

Slipknot
The Vines
The Hives
Disturbed
Stone Sour
Trivium
DragonForce
Metallica
Guns & Roses
The Fray

[Demeisen]

10 bands. my fave? nah, jus the ones i remember:

nirvana
korn
kyuss
bush. yeh i like bush. . .what?
prodigy
queens of the stoneage
system of a down
slipknot
deftones
greenday (brfore they sold out like hours (yes, ive intentionally spelled this wrong, where as on other occasions its due to my fire retardation brain)

right. . .there may be 8, 9, 10, or 11 bands here. counting is long.

[chaisejret]

I feel great the gap between them is suttle as the descriptive ballads tail on from the animated sound effects my top ten creative effects bands of all time that are
Queensryche
Pink Floyd
Powderfinger
Stone temple pilots
Helmet
Faith no more
Cranberries
Johnny O keef and the deejays
Silverchair
Milencolin

[Cycladic]

David Bowie
Sufjan Stevens
DJ Shadow
Massive Attack
Elliot Smith
Sigur Ros
Four Tet
Boards of Canada
Brian Eno

And the obligatory choice:
Radiohead

[HippyFool]

Children of Bodom
Sentenced
Norther
Misery Inc
Disturbed
Disarmonia Mundi
Egypt Central
Entwine
In Flames
Korn


I listen to way too much metal

[Solus]

I listen to way too much metal

no such thing ^_^