I suffer from idea overload almost every single day. And it's not just that I have ideas for things when I cannot carry them out -- it's more that I simply have too many ideas and desires to carry out in the time I have here on earth.

So, what do I do?

For some things like blog post ideas, I have a note in evernote that I add to. Sometimes ideas in there die, and I delete them -- or I carry them out, and I delete them :-)

For other things like bigger projects or ideas... Well, I've accepted that I just have to let most of them go. I can't do everything.

Another thing I do is post what I consider to be half-baked blog posts. If I have an idea about something but no time to dig into it, I'll do a quick and dirty blog post about it. Either I'll come back to it one day, or somebody will pick it up, but at least like that it's not completely lost.
My recent post Weekly Planning After the Winter Break