A well balanced post that shows what you can attain by thinking in advance and remembering backward compatibility: [WayBack] New in 10.2.2: Component icons – Community Blogs – Embarcadero Community
Larger icons can now be in PNG format (future IDE versions will use 128×128 for HiDPI screens) so older IDE versions do not get confused. Since newer IDE versions prefer PNG over BMP icons, backward compatibility is easier.
Via: [WayBack] A look at the new component icons in 10.2.2. – David Millington – Google+
–jeroen