Tired of smooth scaling in today's browsers? Well you can help with the push for browser wide support for custom interpolation here.
A few browsers already support this.
Firefox 3.6+ (and its derivatives) use:
Internet Explorer uses this:
The only browsers left are Chrome, Safari, and possibly Opera. Good thing is that Chrome and Safari both run on the webkit engine and with the upcoming CSS3 standards this is the chance to get something like this implemented. Hopefully we can see something like this in the future: