They are no doubt scattered all over the net by now. Mods.DK, certainly many other sites too. Using your favorite search tool ought to bring them all up at some point...73 Mike
I have all three books by Mr. Cheek that cover the Pro-2004-2005-2006 series of modifications.
The majority of those were done by myself on that scanner pictured.
There are however, plenty more mods to be done....
I have one as well and it is deserving of a comfy retirement. It still works fine but the backlight has given up the ghost and Ohio's MARCS has greatly diminished its usefulness to me. I also have the portable counterpart, the PRO-39. Both have been very durable and reliable.