How about trying FF 2.0?
I don't know if it's Opera or Qt or both, but 2D performance is MUCH better with it than with Firefox. As a test I move the pointer quickly up and down over Tom's Hardware main list of latest articles. With Firefox 3.0rc1 and the latest x86_64 nvidia beta drivers, there's a very noticeable lag, and CPU usage is high. With Opera, there's no lag and very little CPU usage.
I'm not too keen on spending the time required to configure Opera to my liking, but if the next nvidia driver release doesn't improve Firefox' 2D performance, I *might* switch to Opera.
How about trying FF 2.0?
Meh, I'm not going back to *that*. :-p
True linux wouldn't have had 300k people switch in the same period but the number of people that would want to use the iplayer on linux probably still out weights the number that want to use it on the iphone. Anyway they should have just made it crossplatform from the start. They haven't even released a mac client to my knowledge and you can't tell me there are more iphone users then mac users.
Ahem, it's a Release Candidate, it's as "stable" as it's going to get. The developers themselves say RC1 will be the definitive version unless a major bug is found.
To their credit, rc1 fixes some 2D performance issues that were still there with beta 5 (hovering hypertext links on wikipedia for instance was very slow). And btw, the opera build I just tried is a beta, not even RC material.
I didn't remember the client worked on the touch but as far as how well you think the iphone is selling in the UK you are sorely mistake, they are currently sold out because O2 isn't receiving more (leading to the speculation about a 3G version) and googling "iphone sales UK" or the like will give you tons of sites talking about it not selling well. The UK market wants phones with 3G if you pay that sort of money not a phone using an old slower standard.