Unfortunately there isn't a version of Firefox that works on the iPad.

please make ready for iPad

Due to apple's restrictions, it is not yet possible

See this - not sure if it going to be for the iPad, too: http://blog.mozilla.com/blog/2010/05/26/firefox-home-coming-soon-to-the-iphone/

...the increasingly proprietary nature of the brilliantly designed apple products will soon slow down apple's increasing market share in the IT/media marketplace. Once their greed addiction overtakes their design virtuosity they will sink even more rapidly than Microsoft. I hope they come to their senses before it is too late. I for one, will abandon their ship in the next year unless I sense a turnaround in their increasingly distasteful and offensive business tactics.