The Linuz ISO CDVD plugin was "better" in a historical context because it introduced efficient compression and simplified file management to PS2 emulation. However, for a modern setup, it is generally better to use the emulator's internal reader and convert your library to the CHD format for the best balance of performance and space. Help starting ISO for pcsx2 | RomUlation
The plugin didn't just load games. It liberated them. For the first time, you could keep a library of 100 ISOs on a cheap external hard drive and switch between them with a double-click. Loading screens that once took 20 seconds vanished in two. Texture pop-in—a PS2 staple—simply stopped happening, because the data arrived before the game even asked for it. linuz iso cdvd plugin better