new system

im trying to put a new system in my car starting withthe stock speakers. already have a set of pioneer 220 watt 6x8 in my rear window dash. any good seggestions on what to put in my front doors? size 5.25. some one mentined to me something called dynamat. does that really make a difference or is there something better or there? how would i install those on back or front. i also have an aiwa cdc-x207 head unit. any and all ideas welcome.

give us a price range

im lookin at maybe a total of 3 or 400 over time. suupose it just depends on what i find. throw some prices and ideas at me