on my fret board i noticed like a change in color wher i usually shred, is this just say i need to give it a bit of a clean?
Pretty much yeah. A capo may damage your frets over a period of time (years) but simple playing wouldn't.
well i bought it used, it was made in like 2004, and i don't think the last owner treated it to well, and the fret board is as well..
i always give it a once over after playing (mainly because i can't afford to replace strings every week), its just a cort EVL X4