I do my prints at work, Ritz.
You do them online, yes, it's "pushing buttons" becuase the majority of it is through a different company, we just receive them to crank them out. However, if you swing by yourself, you have total control and if you don't want adjustments, we won't do adjustments, if you're unhappy, we'll adjust and reprint them for free until you're happy.
And for enlargements larger then 10x15, they're printed on epson 7800's with Epson's Premium 5 Star Luster.
Some of the Ritz locations give you an option for 10x15's to be printed on the Epson or the Fuji printers.
Ritz does great quality when you prime your file for printing, just like any other lab. I've made awesome 20x30's from our printers, and I saved a whole lot of money as opposed to doing it myself on essentially the same paper.
And have it done within an hour..