d) Yes buttons could be bigger, I see no reason for them to be so small,
Indeed, I would also love to get scalable icons. I think they should come rather soon, but until then, the icons will remain like they are now. Is anyone interested in looking into importing SVG as icons and making them available as a library of icons? I know that Alex looked into that, but I think he is stuck. Alex?
If you have icons that do make any use of bezier curves then there is no problem in importing them. http://iconmonstr.com could be a good starting point.
Alexandre