When you go shopping for AutoCAD LT at CDW.com, you can try an online trial.
You will see a download free trial offer but do not be fooled. You are not downloading all of AutoCAD LT:
If you click on the icon, you will see:
You can use the Try Now item on this page to download a small application that allows you try AutoCAD LT by running it remotely.
This was made possible by a team of people including Autodesk Labs team members who work on Project Twitch. Way to go team!
Trying software (without having to download and install first) before buying (then getting a DVD and installing) is alive in the lab.