Sage Software has many FAS systems to choose from - FAS 50, FAS 100, FAS 500, and now Sage Fixed Assets for MAS 90/200. In addition, there are sub-categories, such as Construction in Progress and FAS Inventory. A good fixed asset system is a must have for small and medium sized businesses because it can replace a messy filing cabinet full of torn paperwork. Besides keeping track of depreciation, it keeps track of warranties, vendors, insurance information, and also allows user-defined fields. You can take it to the next level and appy pictures and bar codes to your items. FAS 500 is a SQL product, so if your assets are large in number, or if you have MAS 500, then FAS 500 is a must have. For smaller companies, FAS 50 and FAS 100 will do, as the main difference is the number of assets that you can have. And now, MAS 90/200 users can have a implement a FAS modules that sits right inside MAS 90.