What is the simplest way to rotate and render Openstreetmap data, and still get a nice render? For example Toronto, would fit best rotated slightly on a page in landscape mode, so the northern boundary of the city are parallel to the top edge of the printed page.
Example: Toronto rotated here with Gimp, works fine but the labels are not really supposed to be rotated.
The most common thing for Openstreetmap is to import the data into PostgreSQL+postgis and render with Mapnik. But really any solution is fine, e.g. doing it in ESRI tools.
PS. This is a repost of a question asked on help.openstreetmap.org, I'll repost the answers there if I'm allowed.