Previously, I've mentioned the lack of Notes syncing in the K750i. Well, my calendar is now "synced", although it's a very manual process. It's also very simple, and took about 2 mins.
1. From my Notes mailbox, select the view for "All Calendar Entries" and select the date range I want to export
2. Copy them to the clipboard (CTRL-C if you really need to know how to do this)
3. Open a blank Notepad window (or any other plain text editor), and paste (CTRL-V!)
4. Save the file as whatever, "stupid.vcs" works for me.
5. Open MyPhoneExplorer, go to the calendar, and...