Even the 300 and 500 series? That is kinda bizarre. Epson makes a great machine, but I don't see how it would blow a latex out of the water. I can still do more applications with Latex and I can do them faster than someone who runs solvent pretty easily because there is no out gas time. What are the biggest problems you see with latex? Why does Latex dominate the market by such a gigantic number? HP Latex is the #1, #2, and #4 machine in the industry. Companies like Mimaki, Roland, and Epson COMBINED make up #3. For someone who is just getting into wide format printing, I do not know of an easier machine to do that with than something like an HP-115 w/cutter is a crazy economical investment to get into an industry. For decals, no lamination either. Full bleed without curling is also hard to do without Latex.
I am hardcore latex advocate for way more reasons then what I talk about, I am not a fan of HP on so many levels its crazy, but Latex in my opinion is the only way to go in most situations. Inexpensive user changeable printheads is one of my favorite things about HP. No Banding is another one. No Fumes. No hazardous inks. Low cost of ownership. Lots of tech support available. Print on more materials. Output faster. No need to laminate most applications. Environmentally friendly is only getting bigger and bigger FYI, and HP dominates that space.