Embedded Lab has started a new tutorial called Getting started with PIC18F, where community will have the chance to read how to switch from PIC16F to PIC18F for more demanding projects. StartUSB for PIC board will be used for demonstration purposes. Having fast USB HID bootloader, this board is perfect for your PIC18F projects, because it is very cheap ($19 USD), small and doesn't require external programmers.
So, all of you who want to learn more about PIC18 should keep an eye on the blog, because there will be some interesting stuff to read about.