The Hit List just went out of beta, so I decided to give it a try. I was using Alfred with Things before. I found it was a great way to quickly add something to my inbox that I could come back later and deal with. I've written a small shell script to add tasks to my Hit List inbox. Here's what the prefs in Alfred look like:

Here's the script:

osascript -e 'tell application "The Hit List" to tell inbox to make new task with properties {timing task:"{query}"}'