On Thursday, Palm and Sprint had a webcast to go over — what else? — the Palm Pre. Unfortunately, the information we all wanted to hear, meaning pricing and availability, was not revealed. What they did dish on were the service plans. Individuals can choose from 450 minutes ($69.99), 900 minutes ($89.99) or unlimited plans ($99.99). Families can choose from 1500 minutes ($129.99), 3000 minutes ($169.99) or unlimited plans ($189.99). Business customers can pool their minutes together using an unlimited plan.Oh,