The highly anticipated Palm Pre, the latest in a long line of iPhone killers, is set to launch on June 6th. To help determine if a switch is the right financial move for you, as well as the right move based on your unique usage habits, the folks at BillShrink.com have posted a handy comparison of the various voice and data plans available for each smartphone.

Palm Pre (Sprint):

$199: cost of phone with $100 rebate

$100/month: Sprint Unlimited data + voice

$69.99/month: 450 voice minutes and unlimited data

$89.99/month: 900 voice minutes

$129.99/month: Family plan for 2 Pre phones ($19.99 for additional lines to family plan)

$169.99: 3000 minutes shared plan

$189.99: Unlimited family plan ($89.99 for additional lines to unlimited everything family plan)

iPhone (AT&T):

$199+: cost of phone

¢ $150/month: AT&T unlimited data + voice (this includes unlimited texting, without unlimited texting it is $129.99)

$69.99/month: 450 voice minutes and unlimited data (the previous number included unlimited texting)

$109.99/month: 900 voice minutes+ unlimited messaging (without messaging that number is $89.99)

$129.99 (for 700min and unlimited everything else) Family plan for 2 iPhones ($39.99 for additional lines to family plan)

$209.99 3000 minutes shared plan

$259.99 Unlimited Family plan ($129.99 for additional lines to unlimited everything family plan)

Head over here to learn more about how the Pre and iPhone compare. You'll find links to reviews, detailed specifications, a list of pros and cons for each device, and more.