OK i was looking at this guide here: http://gbatemp.net/index.php?showtopic=171901
At the moment my Wii is at the point of having 4.2E installed, along with the new HBC, DVDX, and BootMii (only as a IOS unfortunaetly, wouldnt allow Boot2 install).
IOS 202, 222, 223, 249, and 250 are installed...