i saw the message last night on a friends phone when i enabled tethering on it but i when tapped the button again it didnt come back. looks like its working fine
I would say a 30% increase in your bill is quite substantial. Unfortunately, having a $80-100 is slowly becoming acceptably the norm, especially with people ditching their landlines. So, I wouldn't look at the average iPhone owner as someone who has money to burn.
$80/$100!! That's horrible! We (Dutch T-mobile customers) pay 30 a month. That includes 3G (2mb/down 0.3mb/up, unlimited), 150 minutes, 150 texts, visual voicemail. Tethering is not supported yet, but works with ipcc hack (for free).