Fast Post:

It’s time to update your SeaMonkey to 2.21 (Additional functionality: QuickDraw plugin capability has been restored).
* http://code.google.com/p/seamonkey-ppc/downloads/list

Also I found this post very nice, if you have time take a look: http://clausstiekallesoe.org/post/44451908487/can-we-still-use-older-hardware-for-our-daily-needs