Just got this working last night. Starting to port the driver to NETMF. The hardest part was figuring out the SPI settings and screen orientation.
Stay tuned…
Link to the display:
[url]http://www.buydisplay.com/default/5-inch-tft-lcd-module-800x480-display-controller-i2c-serial-spi[/url]
Which Interface and Touch Panel did you specify when purchasing?
Example output in 4 sizes (internal font).
Psychedelic! 
Very good work ! 
Which board are you using with this display ?
@ Bec a Fuel - Cerberus
I used that same one a while back ago. It is very nice. The capacitive touch is amazing on it.