Yeah, open office used to be on par with word, but lagged behind,
You mean because it didn't go with the "Intuitive Ribbon Interface" thing, which I personally find most unintuitive? (Where is Excel 2007's sorting function? I can never find it in whichever one of the pictographic mish-mashes replaces the tried-and-testing meny system! Luckily, "Alt-D, S" still activates the dialogue I want. Hooray for keyboards and shortcuts.)
Sorry, I consider Office 2003 to be the Zenith of MS's art, and while OpenOffice doesn't look
quite as polished, it does all the same practical things, as far as I'm concerned. And it's as compatible with MS Office 2007 in every respect, and if it isn't fully compatible with the latest incarnation, it will be.... that and/or LibreOffice, which at the moment is essentially the same except that the implementation team is a group of forked-off[1] OO team-members, so they'll probably diverge in some way or other in the future. Use both, if you want, it won't cost you anything more, except for a little extra disk-space used that shouldn't cause you problems.
As to distros, I don't like Ubuntu/Mint, and am more a Fedora person. But it's horses for courses. Also, if nobody has mentioned them yet (still to read to the end of this quickly-grown thread), there are always LiveCDs (or LiveDVDs) which you can boot up and run without making any changes to the system. They are a bit slower (working more from memory, or retrieving/extracting from the optical drive, on-the-fly) than the installable versions of the same distro, and may need a prod in the right direction to get all your hardware working, each time, but give you an idea of what the interface is like at least.
Some of them (especially the pure-boot versions, like Puppy) let you save the way you (or the auto-detection parts of the boot-up) configured the machine to a file on your HDD (or memory stick) and thus saves you from going through that again next time, but from the POV of someone just trying them out I'd see which ones you like the look of[2], you'd just want to explore. Bearing in mind that they'd have what the distro-makers decided to give you, as far as applications[3], where a fully-installed distro could have more intrinsically (or the set-up asks you whether you want to set up any or some or all of a set of different functionalities, such as server, multimedia, terminal, document writing, web-browsing, blah-de-blah...
But you'd get the idea.
[1] You may read that how you will.
[2] Not that you can't make Fedora look like Mint, or vice-versa, it's all configuration of some kind or another, but it's more that some distros have different Package Managers, but more intrinsically it's because you may start to need to know a bit about Linux to actually change some of the Look-And-Feel (TM) elements if you were very happy with most of the distro but wanted to add a particular feature that some other distro had automatically.
[3] e.g. for Backtrack, a whole lot of security-testing tools, but no games, even though you could get the OpenGL versions of FreedroidRPG or TuxRacer working under that, even the OpenGL version; meanwhile SUSE might have those installed, but probably wouldn't have the likes of JohnTheRipper or Ethereal/WireShark on it... and no, I'm not expecting you to know what any of those are.