When it comes to vast back catalogues that mix moments of brilliance with frustrating inconsistency, if money's tight the tricky part is sorting the quality from the questionable so Headwarmer highlights below what we think, are the ones to go for.
The Verve - 'A Northern Soul'
Depeche Mode - 'Violator'
Monster Magnet - 'Powertrip'
Blur - 'Modern Life is Rubbish'
Marilyn Manson - 'Mechanical Animals'
Massive Attack - 'Mezzanine'
Teenage Fanclub - 'Grand Prix'
Aerosmith - 'Permanent Vacation'
Jimmy Eat World - 'Futures'
Dinosaur Jr - 'Green Mind'
Get Up Kids - 'Something to Write Home About
Elliott Smith - 'Either/Or'
Earth vs the Wildhearts
Sonic Youth - 'Dirty'
The Cure - 'Disintegration'
Afghan Whigs - 'Gentlemen'
Corrosion of Conformity - 'Deliverance'
Deftones - 'White Pony'
Pearl Jam - 'Vs' 
Pixies - 'Trompe le Monde' 
Fugazi - 'Red Medicine' 
Tool - 'Lateralus' 
Radiohead - 'In Rainbows' or 'Ok Computer' 
Alice In chains - 'Dirt' 
Red Hot Chili Peppers - 'Mothers Milk' 
Nine Inch Nails - 'Broken' 
Mark Lanegan - 'Whiskey For The Holy Ghost' 
Ministry - 'Psalm 69' or 'Houses of the Mole' 
Porcupine Tree - 'Deadwing' 
Mercury Rev - 'Yerself Is Steam' 
Foo Fighters - 'The colour And The Shape' 