I spent a lot of time with the demo. The only thing I did not like was the music. It was too repetitive luckily you can turn it off. After I turned off the music I had a blast.
"PSone games on PS2
Strange, this – we hardly ever used our PS2 to play PSone games. And yet we find ourselves doing it on PS3 and PSP rather frequently. Very, very strange."
That is the only one that probably should not have been on this list.