Lcd Questions ?

ok im thinking of getting one but what makes one good whats needed for gaming?

i was told i need atleast a 8ms delay but i should go for lower cuz of shadowing or gosting or watever but this was from one of my dads friends so im not exactly sure how big of a deal that is.

Resonse time - LOWER is better

Contrast Ratio- HIGHER is better

Bightness - HIGHER is better

Colors - Look for 16.7 million colrs

umm ty