You can also visit the Alderac Entertainment Group forums, where fans of all of the AEG games discuss their favorite products.
You can also visit your "friendly local gaming store" (or FLGS). Many game stores carry Legend of the Five Rings products, and can also provide you with demo games. You can find stores by searching the list of L5R Stronghold stores, using the FIND STORE link at the top of the page.
Joining the Imperial Assembly is also a good idea. An explanation of how to join is available here. Not only do you get access to the Imperial Herald, the subscribers-only portion of this website, and all of its cool articles, you can also get free stuff!