Firefox. Hands down. I wonder what Mozilla FF will come up with next that M$ will steal for their next revision of IE?

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AMD Athlon 64 X2 4400+ (@2.6 GHz)
2x1GB OCZ Spec. Ops. PC3200
ASRock Dual939-SATA2
Antec TruePower 550 watt PSU
80 GB Seagate Barracuda SATA 7200 rpm
300 GB Seagate Barracuda SATA 7200 rpm
120 GB Maxtor ATA/133 7200 rpm
ATI Radeon x1950 Pro

FF all the way, so much more you can do with it

Ya, I really like FF. I voted IE7 b/c I just got FF and it didn't open when I double-clicked. It was my default browser, so whenever I clicked a link it didn't open. I had to copy the link into IE. I did a reinstall and now it works fine. I use a FF theme that emulates IE6 b/c I like the way it looks.

There are some downsides to FF that I always come across although I can't think of them right now