|Perhaps these sites will help:|
re: "in today's world"
I don't think that you should be concerned with "today's world" as much as you should be concerned with your world.
You need to look at what you are using Word for and decide for yourself if you need the latest version. We still use 2003 at work and we get along just fine, but we will be moving to 2010 soon to ensure that we don't fall so far behind that we can't share documents with our clients.
I use Office 2010 at home, mainly because my company offered it at a ridiculously low price so that we could learn it at home and be up to speed when the transition happens at work. Better for them to have negotiated a discounted price with MS for our home use than risk the productivity loss that might occur when we come in one morning and have no clue how to use the updated application.
Do we need the extra features that Office 2010 offers in order to complete our daily tasks? Probably not, but I'm sure we'll use some of them if they are available.
Since we have no clue what "your world" looks like, it's kind of hard for us to tell you which version you should use.
I guess, since it sounds like you have a choice, why not simply opt for the latest?
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