NetLibrary will be migrating to the EBSCOhost platform in mid-July. The tentative date is July 16th.
If you have created an account in NetLibrary, please note that your current information; checkout/download history; current checkouts, downloads and any information on holds you may have placed on eBooks; and any notes that you have created will not be migrated to the new system, and will no longer be available to you. If any of this account information is important to you,please make sure to save this information somewhere safe prior to July 16th, 2011.
Additional information can be found here.