Here's the official NASA press release. There's a lot more detail in it as to exactly how the ice was detected (instrumentation,etc.).

No announcement of a manned mission to Mars, though, and I don't expect one any time soon.

To get there it's beginning to look like we may need to...

...dip into a slush fund?

I couldn't resist, but seriously... This is very exciting. I know cost to orbit is the logical first issue, but this could lead to some serious momentum for the first time in thirty years at a time when NASA may become irrelevant.