While I have printed my comic, I dont think I'm going to make a giant sized version of my comic at its original dimensions. That's too much money to spend towards printing something of that size. The comic market in Europe can do that because they treat their comics like how we would treat a bestselling novel- therefore, they have connoisseurs who will invest in books at that size. You have to be a real hardcore comic fan/collector to spend a lot of $$$ on omnibuses that reprint original black & white pages at their original size here in the states(I wanted to pick up the Walt Simonson THOR omnibus from IDW some years back, but I didnt have a $150 to throw at it).
I remember back in the days when I was a kid, Marvel used to make giant sized issues of comic books almost all the time...