I love this place. The two levels, the tables of varying sizes and locations, and the broad menu for both food and drink combine for a very pleasant experience. This is a great place to settle in for a long haul, either working alone or with colleagues... and the students definitely benefit from us grading in a location that offers wine by both the glass and the bottle.
I really like their miel, the latte with honey and cinnamon, and we've had a number of very nice wines there. Their food is very good, but especially the breakfast menu--I find that lately I just get the huevos wrap every single time because it is SO GOOD, if somewhat messy. (One of my proudest moments this semester was finally eating one without using upwards of five napkins during and after.)
Finally, the internet is reliable and speedy, even when the place is relatively full.