TIP: By default, the search results include titles from The Archive. This will often give the impression that we don't do a very good job of keeping our titles in stock. This is not the case! Most of our 3,500+ active catalog titles are restocked regularly. It's the 7,500+ archived titles that are "unavailable". Use the search refinement options or do more specific searches if you're seeing too many "unavailable" items. Also, results are sorted by date with the newest releases at the top. Again, you can use the search refinement options to change this.
Refine by Category > All Else will hide archived titles and only show active catalog titles. (only available when there are enough search results to warrant it)
Sort By and Refine By Record Label Provide many options for more specific search results.