putting the menu blocks in alpha order

There isn't. You'll have to commit the entire interface to memory.
When you can't remember where it is, you'll need to remember some part of the name, or function you're looking for and use the search tool top left corner. This is really useful once you've gotten accustomed to using it.

Need to do something with an account? Search for the word, account.
Apache update needed? Type in Apache.
Mail issue, type in Mail.
Need to run Security Advisor? Type in advisor.

Hunting for the one you want is a part of committing it all to memory of course. Happy Hunting!