Master modder Ben Heck has created a masterpiece “Of all the portable videogame devices I’ve ever built over the years one system has always been my “Holy Grail” to make – my “dream portable” if you will. (Yes, even more so than my Neo Geo arcade machine) And now after a couple years of tinkering it is complete! Without further ado – the Atari 800 XE Laptop!” Link.