I have been using Essential Tools for Windows Forms for a couple of years now (versions 6.3 to 8.3). Initially we bought Essential Tools for the Docking Manager control. However very quickly we extended our use to include at least a dozen other controls because of the additional functionality available and the professional look and feel that these controls have given our application. The controls that we use quite heavily are the docking manager, banner text provider (allow prompts to appear in text box and combo box controls), various flavours of the combo box control, the currency and percent text boxes, the gradient panel and the XPTaskBar to name but a few. I have also found that quite often the Syncfusion version of a control "fixes" problems present in the "standard" version of a control. A case in point is the Syncfusion NumericUpDown control which can be made fully read-only. Essential Tools scores very highly in a number of areas: 1. Support. No software is absolutely perfect, so in my books the key to a good product is good support and Syncfusions really is very good. There are no extra charges to pay - support is included as part of the licence subscription. Responses to posted incidents are usually within 48 hours at least. I have always found Syncfusion support personnel to be very patient and helpful in resolving issues. Syncfusion have NEVER dismissed any of the issues that I have raised as "behaviour is by design" etc. Support is taken very seriously and if there is a genuine problem with the software I have found that I will normally get a patch within a few days or at least within a few weeks. 2. Variety of controls. There are over 90 controls available within Essential Tools for Windows Forms. The controls are supported with dozens of project examples, all available in VS2005, VS2008 and VS2010 sample projects in both VB and C#. The controls are heavily documented (which includes code snippets), though it can take a while to navigate around them. If there is something that you just cannot work out how to do, Syncfusion support are happy to help. 3. Release frequency. During the period covered by our subscription we have had access to a number of enhancements and upgrades as part of our subscription. I believe that there are at least 3 or 4 main releases a year, so you never buy the product and just miss out on the next version which follows a month later. 4. Stability. Above all Syncfusions controls are stable. They don't cause program crashes and they don't cause us embarrassment in front of our customers. In summary, yes we are very happy with our Syncfusion Essential Tools subscription.