Apple has upgraded the MacBook Pro line, betting that Intel's new high-speed technology for connecting a PC with other devices will help make the high-end laptops a winner among creative professionals.Apple released its latest MacBooks Thursday, the same day that Intel launched Thunderbolt. Formerly codenamed Light Peak, the interface is said to allow files to be transferred between compatible devices far faster than existing consumer connection protocols, like USB 2.0 or emerging standards like USB 3.0. Apple is making Thunderbolt a standard within the MacBook Pro line. The new systems also include Intel's second-generation Core processors, a faster graphics card and a high-definition FaceTime Webcam. Apple has made the quad-core Core i7 processor standard within the 15- and 17-inch MacBook Pros. The larger system comes with Advanced Micro Devices' Radeon HD 6750M graphics card with 1GB of GDDR5 memory, while smaller model comes standard with the Radeon HD 6490M with 256 MB of memory. Prices start at $1,799 and $2,499, respectively.