[Maert]

Well, for anything serious, paint is not good enough. You can't rotate your arrows, for example.

If i need to do something well, then I use Paint.net (which is best parts of Paint and Photoshop combined in a free and super fast package).

If I need something quick, then I can use the snipping tool.

I literally have not turned on paint ever since I discovered windows snipping tool and paint.net (which is couple of years now).

[Retric]

You can rotate them 90 degrees which is good enough for what I need.

Workflow is generally Screenshot, crop, highlight with text / arrow / circle past into email. Paint.net is useful, but not on every windows box and often not worth the download when I 90% of the time I just want to send something to a coworker who might email it to a customer.

[Sleeep]

There's a huge middle ground between "serious image editing" and "quick one-off screenshot that looks professional."