... >What are remarkable changes, enhancements and new features implemented >in the last year or so? ... Product enhancements are listed in the front of the manuals. Technology summaries are presented in the Technical Guide redbooks. http://www.ibm.com/software/tivoli/products/storage-mgr/product-features.html lists product features. http://www.ibm.com/software/tivoli/products/storage-mgr/enhancements-v5.2.html lists 5.2 enhancements. In general, you should look through the IBM website. http://people.bu.edu/rbs