Palm Treo 750

I am thinking about getting this phone because I like the palm software that's out there. I was originally looking at the 680, but was told that I cannot create and edit my word and excel documents and have it downloaded/uploaded to my laptop. I own a restaurant and am always looking for an easier way to run my business and having a tool that will allow me to do my inventory, scheduling, etc... all in one device is a plus. I have my laptop for that, but need something more mobile. My question is: can I create a word/excel document on my laptop, upload it to my palm, edit it and be able to transfer that information back to my laptop? can it work in reverse as well? I realize this question may not be in the technical wording as the other...
(continues)