I wanted to add another voice to the call for penultimate for Win8. If I had that, I would likely drop Onenote and go with Evernote solely. Right now, I am in a situation similar to digitalnelson where I split time between the two. Heck, I would likely go premium because of all the handwriting I do (Lenovo TT2 and x220 - I'm a Windows tablet user since the XP tablet edition.
For those on WIndows 7, yo ucan activate the tablet functions even without tablet hardware. This gives you the MSFT snipping tool, which will do screen shots that you can annotate. Built into the OS of windows and works incredibly well.