PSM2 UK has a few more details about San Andreas:

After the logo screen loads up a huge map appears with various options to choose

The map is "America shaped" large, empty, beige shape, apart from a small square in the bottom corner, which was Los Santos

Don't expect to be frequently changing your hair, it costs 0 a cut.

In the mission 'Menace', you need to pass three times before you've killed all the Ballas

Streets glow orange due to the sunlight

The outcome of a mission directly affects what leisure options you can do.

Whlst doing a four person drive-by each person can have a different target. The car also has a damage meter

Source: GTASanAn