http://www.jameco.com/webapp/wcs/stores/servlet/Product_10001_10001_2157790_-1
And if not could someone give to a link to a tool that can burn a bootloader to atmega 2560?
yes, but its a little expensive
Does that definitely handle the +64Kb memory boundary?
As they name the product "USBtinyISP" I suspect it suffers the same +64KW (not bytes) limitation that adafruit's USBtiny programmer does. However that is just logical speculation on my part.
Lefty
I stand corrected. The limitation is at 128 Kb which of course affects the Atmega2560. This is because you program the flash in words, and at the boundary of 64 K words (128 Kb) the extra instruction "load extended address byte" needs to be sent to the processor.