The Colonel said:I highly doubt I can remember every show I saw this year, but I'll attempt;
1/21 Nile/Napalm Death/Dark Tranquillity/Strapping Young Lad @ Bash On Ash
4/18 The Cramps @ Nita's Hideaway
5/2 Danzig/Superjoint Ritual/Opeth/Nile/Lacuna Coil @ Mesa Amphitheatre
5/4 Meshuggah/Strapping Young Lad @ The Marquee
5/19 Social Distortion @ The Marquee
5/30 The Haunted/Shai Halud/Bleeding Through/Kataklysm @ The Marquee
6/6 Impaled/Vehemence/E.T.T.S./Screaming Afterbirth/Motive/Trail Of Gore/Inducing Terror @ Az Death/Grind Fest, Day 1, The Icehouse
6/7 Exhumed/Deeds Of Flesh/Severed Savior/Structure Of Lies/Asesino/Burn Victim/Excoriation @ Az Death/Grind Fest, Day 2, The Icehouse
7/2 Ozzy/Korn/Marilyn Manson/Cradle Of Filth/Voivod/Shadows Fall/Killswitch Engage @ Ozzfest, Cricket Pavillion
7/14 In Flames/Soilwork/Chimaira/Unearth @ The Cajun House
7/15 Rancid/Avenged Sevenfold/Face To Face/Dropkick Murphys/Poison The Well/Glassjaw/Pennywise @ Warped Tour, Peoria Sports Complex
7/23 The(fake)Misfits/The Dickies/Agnostic Front @ The Marquee
7/25 Whitesnake/Warrant/Kip Winger/Slaughter @ Cricket Pavillion
8/22 Iron Maiden/Dio/Motorhead @ Cricket Pavillion
9/7 Arch Enemy/Hate Eternal/The Black Dahlia Murder @ The Mason Jar
9/8 The Sex Pistols/Glass Heroes @ The Marquee
10/3 Poison The Well/Shadows Fall/Avenged Sevenfold @ The Marquee
10/8 From Autumn To Ashes/Cave In @ The Marquee
10/19 Primus @ Celebrity Theatre
10/28 Social Distortion @ The Marquee
11/5 Clutch/Red Tape/The Northside Kings/Greenhaven @ The Cajun House
11/10 Gorgasm/Pyaemia/Severed Savior/Spawn Of Possession @ The Mason Jar
11/15 Six Feet Under/Skinless/Behemoth @ The Marquee
11/20 Slayer/Hatebreed/Arch Enemy @ Mesa Amphitheatre
11/22 Shadows Fall/Lamb Of God/Killswitch Engage/God Forbid @ The Cajun House
11/25 Dimmu Borgir/Nevermore/Children Of Bodom/Hypocrisy @ The Cajun House
12/1 Cradle Of Filth/Type O Negative/Moonspell @ The Marquee
12/9 Lacuna Coil/Dog Fashion Disco/Eyes Of Fire @ The Mason Jar
That's all the ones I have ticket stubs for so I know the dates. In addition, I also saw this year;
Opeth/Paradise Lost/Tapping The Vein @ The Mason Jar
Dying Fetus/Skinless/Misery Index/Structure Of Lies @ The Big Fish Pub
Death On Wednesday @ The Big Fish Pub
Darkest Hour/Curl Up And Die/Life In Pictures @ The Mason Jar
Cursive/Still Life @ Nita's Hideaway
The Reverend Horton Heat @ Nita's Hideaway
The U.K. Subs/Toxic Narcotic @ The Mason Jar
Defiance/Icons Of Filth @ The Mason Jar
Black Hell/Sons Of Serro @ Jughead's
Phobia/Cripple Bastards/Magnet Plan/Structure Of Lies/Black Hell @ The Mason Jar
Immolation/Grave/Goatwhore @ The Mason Jar
That's all I can remember, but I know there was more.
Holy shit! I bow to thee , Colonel. Dhamn!