Verizon Wireless: 5GB data plans range from $24.99 to $44.99 for phones and are $59.99 for wireless modems.

AT&T: 5 GB data plans range from $30 for unlimited personal use to $60 for unlimited use plus tethering for phones and $60 for wireless data cards.

T-Mobile: Unlimited data plans for phones range from $29.99 for the Sidekick to $89.99 for an enterprise BlackBerry plan. Unlimited data cards are available for $49.99 a month, but they only work on the EDGE network.

Sprint: Has an 5GB wireless data plan for phone included in its $99 Simply Everything plan or as part of two other plans that range from $69.99 to $169.99. Wireless card users pay $59.99 a month for up to 5 GB.

Rogers Communications: Offers data card plans for $100 that give users up to 6 GB and costs 50 cents for each MB over the limit.

Bell Canada: Offers up to 5 GB for $80 a month for data cards and 1GB for data on smart phones for $100. It sells a $10 unlimited data plan with the Samsung Instinct phone.

(via Gigaom)