Configuring a new Laptop & need help with wireless card. It says, Built-in wireless cards allow for easy access to the internet. Use Intel WiMAX/4G technology to connect in more places, more often, without being restricted to hotspots.* Wireless Only (1) Intel© Centrino© Advanced-N + WiMAX 6150 Wireless + Bluetooth (2) Intel® Centrino® Wireless-N 1030 and Bluetooth 3.0 (3) Intel© Centrino© Advanced-N 6230 and Bluetooth 3.0 I do travel a lot so which one should I get ?