Drawing GOOD LOOKING (like in Flash) lines on canvas (HTML5) - possible?

Question

Is there any way to draw a line using javascript and the canvas with \"better\" antialiasing, like Flash does?

I know the Math.floor(coord)+0.5 trick to get an exact

Answer 1

Leeching off Marius's answer:

SVG can be drawn client side with javascript, since it's just DOM elements. And, going forward, it is hardware accelerated.