The problem could be with TrueType fonts, especially on Linux/Mozilla. You can download the TrueType fonts, but I can't remember where. But that should help a lot.
Also, with Mozilla you can use Ctrl-plus and Ctrl-minus to adjust font sizes -- I think it even works on absolute fonts.
I have a 1400x1050 15" laptop screen as well - the standard Dell Inspiron, which is pretty popular. So probably a lot more people may be having this problem than are posting about it (remember only 10-20% of forum users actually post at all!!)
Yeah - The first thing I type on every post is "Ctrl+, Ctrl+" :).
re: 1400 resolution, I rarely go above 1024x768 on a 17" CRT, (1154 is about right for me on a 17" CRT) - HOWEVER, the Dell LCD's are so sharp that 1400 is clearer and easier to use than the aforementioned 17" CRT - and you get an extra load of desktop space for free.
...but as they're LCD's, you effectively can't change the resolution anyway, not without creating artificial blur in everything :(.
SG: Thanks for trying to fix this.
PS: I've now had the original problem (page wouldn't load) on another website, so it appears to be a mozilla bug; but at least I've got a different bug (font sizes) fixed in the process! :))