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Other than occasional "i feel too lazy to get up from bed to check some pages" moments i would say no.
 
Sorry Guys I forgot about this thread, just to claify when I said replace my PC I meant my Laptop when out and about. It's so much easier just to put my phone in my pocket and have most of my work available to me.
 
Lately I've been using my iPhone to browse the net, facebook, stocks and weather. Why? My university shared network is so utterly slow it's the only way from going insane. 3G on the iPhone is warp speed compared to the university.
 
I found using my Mac less than before. When I'm traveling even more (and I used to bring my Mac all the time, everywhere).
I'm eagerly waiting for the Tablet. That could help reducing even more my normal laptop usage.
 
Last time I checked, my iPhone can't play DVDs, doesn't have flash, can't hold 300 GB of music, can't edit my photos, can't play the full version of Spore, can't create a MS Office file (word, excel, database) and can't burn CDs.
So no, it's not replacing my MBP anytime soon.
However, when I had to get my computer repaired, my iPhone kept me from going into internet withdrawal. It also kept me from getting lost when I was in Houston for the Green Party convention.
 
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