[Koha] debian OS image cd or dvd - which one to be used?

Hi, Regarding installation of Operating System (Debian for Koha) what is the difference between using cd image or dvd image. I understand that the DVD image has a complete set of packages whereas NetInst CD image has only a limited number of packages required to boot into installation. I follow wiki pages and other various blogs for installation. However, I would like to know, selecting cd or dvd really helps koha or maintenance of the system? because I am going to use the packages method of installation for koha. Kindly advise. -- *Satish MV* Librarian - Govt. Engineering College Opp. Dairy Circle, B.M.Road, Hassan 573 201 Karnataka, INDIA Mobile: +91 9449765737