1) "my style" or "light style" options so I can change colour combinations to suit me.

I don't know what browser you use, but in Firefox and Opera at least there are easy ways to switch to your own stylesheet, and Opera comes bundled with a whole slew of stylesheets designed for a variety of accessibility needs. If you use either of those I'm happy to tell you how! (I hate to give advice when it wasn't asked for, because it might be exactly what you don't want. But let me know if you are interested.)