Taking over for Roger, here's an extra special ROCK hot tracks update!
Active Rock
#1 - Godsmack - Speak(1724 plays, -32)
#2 - Red Hot Chili Peppers - Dani California(1566 plays, +81)
#9 - Korn - Coming Undone(1065 plays, +51)
#12 - Tool - Vicarious(873 plays, +873

)
#13 - Three Days Grace - Animal I Have Become(847 plays, +233)
#15 - Hurt - Rapture(808 plays, +76)
#20 - Nickelback - Savin' Me(634 plays, +92)
#22 - Wolfmother - Woman(523 plays, +64)
#29 - Hinder - Lips Of An Angel(314 plays, +87)
#33 - Theory Of A Deadman - Santa Monica(273 plays, +63)
#41 - P.O.D. - Lights Out(153 plays, +96)
Alternative
#1 - Red Hot Chili Peppers - Dani California(2532 plays, +19)
#3 - Blue October - Hate Me(1915 plays, +64)
#9 - Raconteurs - Steady As She Goes(1152 plays, +72)
#11 - Angels & Airwaves - The Adventure(1144 plays, +223)
#17 - Tool - Vicarious(1010 plays, +1010)
#23 - Three Days Grace - Animal I Have Become(729 plays, +254)
#31 - AFI - Miss Murder(515 plays, +515)
#42 - Gnarls Barkley - Crazy(276 plays, +160, THIS SONG IS THE ****!)
#46 - Yellowcard - Rough Landing, Holly(265 plays, +206)
I'm sure Roger would put in more, but those are the songs with a lot of gains plus the #1 songs in each major rock format. Look at Tool go! ^_^