It would be lovely to jot down tasks that we want to accomplish without needing to attach them to specific projects/lists.
At the moment there is a 'dashboard' in the 'planned' phase, I'm assuming it would go there, so maybe you'll need to merge this request with that one. But just in case it isn't, or it's considered different, I wanted to put it out there.
These tasks would need to be, by default, assigned to yourself and private. It would be an extra bonus if you could assign the task to someone else and have it still not attached to a project/list but I guess I'm being just super needy at that point.
If you didn't want to wait until a full-blown dashboard is created, you could have a "Personal Space" show up at the Space level? I feel like that may be a nice quick fix? And maybe just have it as a ClickApp so as to not make it messy for those who don't want it? That's what I've done to solve this issue, but I'm sure many would love to click a button and viola, you have a private little list that can be seen alongside the rest of your tasks.