I see... so a built-in WiFi antenna is at least getting to be a norm on the Wintel laptops.

I haven't used the Mozilla derivatives on the Wintel computer, but if they are anything like its various Mac counterparts, they are, well... no better than IE, IMO. To me, Safari is just in a different league. But I agree with the IE-only mindset/attitude of a good majority of web page designers -- essentially, all other browsers have to bend the "standard correctness" in order to behave like IE.