These are the albums I listened to most, at least according to last.fm
Kosheen - Resist 303 tracks listened to
D'espairsRay - Mirror 294 tracks
Delain - Lucidity 284 tracks
Kaiser Chiefs - Yours Truly, Angry Mob 264 tracks
Amy Winehouse - Back To Black 249 tracks
Dir en grey - Withering to death. 222 tracks
Nightwish - Once 220 tracks
Nightwish - Tales From the Elvenpath 211 tracks
Linkin Park - Minutes To Midnight 208 tracks
Nightwish - Century Child 207 tracks
Marilyn Manson - EAT ME, DRINK ME 200 tracks
Kaiser Chiefs - Employment 191 tracks
Tarja Turunen - My Winterstorm 191 tracks
Duffy - Rockferry 190 tracks
Within Temptation - The Silent Force 189 tracks
Hoobastank - The Reason 173 tracks
Dir en grey - Vulgar 171 tracks
Nightwish - Angels Fall First 160 tracks
Red Hot Chili Peppers - Californication 153 tracks
Within Temptation - Mother Earth 152 tracks
Evanescence - The Open Door 152 tracks
Kosheen - Damage 152 tracks
浜崎あゆみ - MY STORY 138 tracks
D'espairsRay - [Coll:Set] 138 tracks
A Fine Frenzy - One Cell in the Sea 134 tracks
Placebo - Sleeping With Ghosts 133 tracks
Shakira - Laundry Service 129 tracks
Kelly Clarkson - Breakaway 129 tracks
浜崎あゆみ - (miss)understood 125 tracks
浜崎あゆみ - A BALLADS 118 tracks
Robbie Williams - Rudebox 116 tracks
Christina Aguilera - Back To Basics 111 tracks
The Cranberries - Bury the Hatchet 105 tracks
Within Temptation - The Heart of Everything 103 tracks
Linkin Park - Hybrid Theory 103 tracks
Alas the statistics are wrong in at least three cases (Two albums by D'espairsRay and Stadium Arcadium by Red Hot Chili Peppers must be in there.)