Verizon V/S AT&T

Who has the best iPhone 4 service between the two providers? According to the article posted http://online.wsj.com/article/SB10001424052748703960804576120174165554798.html?mod=WSJ_PersonalTechnology_LEFTTop in the Wall Street Journal Verizon has the best calling services and offers more data plan features than AT&T. Verizon offers less drop calls, voice quality, and capability and feature multiple Internet connectivity for laptops, iPads and other electronic devices. Well AT&T offers the best data speed for download and uploads, internationally travel and more drop calls. What will the loyal AT&T customers do? Will they pre-order their next iPhone 4 with Verizon, transfer their current services over to Verizon or stay with AT&T? Which feature will customers deem more important between the two companies data speed or voice calls?