So I need to compile a list of ALL assets, information or otherwise,
That leads to tables and chairs and powerbars.
OK so you can't work without those, but that's not what I meant.
Physical assets are only relevant in so far as they part of information processing. You should not start from those, you should start from the information and look at how the business processes make use of it. Don't confuse you DR/BC plan with your core ISMS statements. ISO Standard 22301 addresses that.
This is, ultimately, about the business processes.
Take a look at this article.
You're back? What did you think of it?
OK, now look again, scroll down the section titled "Risk Management". It picks up on a number of themes I've discussed and has this interesting observation:
Prioritization of security efforts is a prudent step, naturally. The problem is that when risk management is done strictly by the numbers, it does deceptively little to actually understand, contain, and manage real-world problems. Instead, it introduces a dangerous fallacy: that structured inadequacy is almost as good as adequacy, and that underfunded security efforts plus risk management are about as good as properly funded security work.
Guess what? No dice:
The author goes on to illustrate a number of ways that the approach we as the InfoSec community have preached and practised makes no sense.