Burning newbie (general questions)

[GmRunner]

Hey everyone I just got a ps2 from a freind for free! Nice eh?! well anyway I have been into computers for YEARS so i should learn quickly BUT...... I am going to buy a game shark 2 and some form of mod chip here soon. I was thinking about the no sauder one where it just plugs into ribbon conntections. anyway I do have a cd burner and whatnot but not a dvd burner. I read one post of a guy saying having trouble with GTA3 and so on and another replied it is a dvd r game and needs a dvd burner. is this true and is it even worth my time to get the mod chip and game shark if I only have a regulare CD burner on my comp and not a dvd burner? what games are dvd r games and hwo can I Tell? anyway thanx to anyone who is willing to take me under their wing and show me the way anyone that helps me get going WILL BE PAYED BACK 10 FOLD! I have ummm well that is to say hehe just help me and I will be glad to help you