i would really appreciate your help

hey guys. i have been looking all over and #####ed out some of the pages on this forum but do any of you know any sites where you can download dreamcast games then play them on your dreamcast?? if you dont wanna tell me through this faq could you email me the site please?? my email is [email protected]. i would really really really appreciate it. thanks for your time
-a lost and tired gamer