Because we have been extremely happy with the product and our organization tends to be creatures of habit. We rarely leave a product that works this well for the latest and greatest. Typically we follow the "if it's not broken, don't fix it rule". While QB does make changes we typically just roll with it. If we do find something we don't like we work through it until we fully understand its functionality.
Quickbooks Desktop Premier is the on-premise version of Quickbooks designed for various industries. It features core accounting capabilities, including general ledger, double-bookkeeping, and reporting. It also includes invoice status tracking, contractor management, and time and inventory tracking. Premier in particular is designed to enable industry-specific tasks for general contractors and organizations in manufacturing and wholesale, nonprofits, service, and retail sectors, as well as servicing general business needs.