Take my word... DXperience Suite is one of the best ASP.NET Suite of controls I've ever worked with... Hands down... No Competition... I have been using DevExpress controls over the past few months and am pleasantly surprised with the quality of their controls... I love XPO and XAF... I played with lot of ORM frameworks before XPO. Although most of them have their advantages, XPO is very simple to learn, has excellent documentation and has fantastic support from CodeRush.... If you master code rush short cut keys for XPO, developing data driven application will be a breeze... It's very intuitive and supports DDD. If you want to develop business applications, XAF can cut down development time by 80%... Seriously, try it. You will never look back. The soon to be released Domain Component Technology (In BETA now) for XAF and pure XPO will be invaluable to developers... I started playing with it and loving every bit of it...