Does your bank have good (or bad) online banking?

I need to open a business checking account. My needs are very basic. I don’t think I’ll be setting foot in a physical branch more than once a year, so my primary criterion is the quality of online banking.

I’m looking for an intuitive interface, reliable service (fast servers and little or no downtime), and no specific browser requirements (“Internet Explorer only” is unacceptable). Basically, I’m wondering if there are any banks out there that have online banking that doesn’t feel like it was built in 1998.

If your bank’s online banking is crappy, that’s useful information too!