Workout playlist makeover

I was running today and got bored with the music that was on my Workout playlist. The list is about 2 years old and needs some editing. Any suggestions? I'm X'ing the ones I'm planning to remove from the list because I always skip them.

X Don't Stop - ATB
Commonwealth (Cheap Chicks) - Bahamadia
Wouldn't it be Nice - Beach Boys
Don't Worry Baby - Beach Boys
X Still Dirty - Christina Aguilera
Fighter - Christina Aguilera
X Sci-Fi Wasabi - Cibo Matto
Over and Over again (Lost and Found)
The Skin of My Yellow Country Teeth - Clap Your Hands Say Yeah
Is this Love? - Clap Your Hands Say Yeah
Go! - Common
Here it Goes Again - Ok Go
Friday I'm in Love- The Cure
X Why Can't I Be You - THe Cure
Harder Better Stronger Faster (Neptunes Remix) - Daft Punk
One More Time - Daft Punk
Soul Meets Body - Death Cab for Cutie
Your Heart is an Empty Room - Death Cab for Cutie
X Jumpin, Jumpin - Destiny's Child
Where Did Our Love go? - Diana Ross
Come See About Me - Diana Ross
Baby Love - Diana Ross
X Someday We'll be together - Diana Ross
Hate it or love it - The Game
Maneater - Hall and Oates
X Sexy Back - Justin TImberlake
Stronger - Kanye West
X Gold Digger f/Jamie Foxx
Mr. Brightside - The Killers
Nanny Nanny Boo Boo - Le Tigre
X After Dark - Le Tigre
X Don't Drink Poison - Le Tigre
Loungin (Who Do you Love ) - LL Cool J
X Fire Fire - MIA
Dirty Little Secret - All American Rejects
Last Resort - Papa Roach
Work it - Missy Elliot
X Get Ur Freak On f/ Nelly Furtado - Missy Elliot
Float On - Modest Mouse
X Ocean Breathes Salty - Modest Mouse
X Shake Ya Ass - Mystical
Maneater - Nelly Furtado
Promiscuous f/ TImbaland - Nelly Furtado
X Say It right - Nelly Furtado
Do It - Nelly Furtado
X Bizzare Love Triangle - New Order
Hella Good - No Doubt
Just a Girl - No Doubt
B.O.B. (Remix) - Outkast
Ditty - Paperboy
X Tombstone, Baby - Peaches
I love your smile - Shanice
Kissing the Lipless - THe Shins
X '93 Til Infinity - Souls of Mischief
What About your Friends - TLC
Ain't Too Proud to Beg - TLC
X Blue Monday - New Order
Mas Que Nada - Sergio Mendes
X Luv 2 Luv U (remix) - Timbaland
X Clock Strikes (remix) - Timbaland
Kick Push - Lupe Fiasco
X Never Lies - Lupe Fiasco
Don't Phunk With My Heart - Black Eyed Peas
Pump It - Black Eyed Peas
X My Style f/ Justin Timberlake - Black Eyed Peas
The Way You Move - Big Boi f/ Sleepy Brown
X Superstar f/ Matthew Santos - Lupe Fiasco
When You Were Young - The Killers
Jenny Was a Friend of Mine - The Killers
Get Up (Main) - Ciara f/ Chamillionaire
Hey Ya - Andre 3000
Glamorous f/ Ludacris - Fergie
Pogo - Digitalism
X Kids - MGMT
Oh Mandy - The Spinto Band
Obstacle 1 - Interpol
X Yeah! - Usher
Keep the Car Running - Arcade Fire
12 O'Clock Girl - James Maker

Know any good workout/running songs?