In case anyone is looking for ideas for next year, I started using SugarSync this year. I've been using Dropbox for years (and still do) but wasn't crazy about having to move the files I wanted to sync from their home to the Dropbox folder (I use the free storage, so it's not nearly large enough to store all of my documents). SugarSync works much the same way as Dropbox, except you can leave your files and folders where they are and select which ones you want to sync. I selected several folders (including my Pyware folder, Sibelius scores folder, etc.) on my home computer, directed the program to sync those to the equivalent folders on my work computer, and everything stays up-to-date in both places. I've been really happy with it.
Check it out. They have free options, just like Dropbox. They also have a Dropbox-like folder if you want to just sync certain files without mapping them between machines, a web interface, the ability to make public links for any of the files, mobile apps, etc.https://www.sugarsync.com/
Also like Dropbox, they allow you to get extra space with referrals. So, if you want to sign up, you can use my referral link
and I'll get more space.
Or you can just use the regular one