rkSmartTabs have been updated to version 1.7.
TabOffsetTop has been removed.
AutoHideClose has been added. When setting this property to True it will hide the close buttons on non active tabs when they get very small. You can see the effect in the picture above.
Tabs no longer trigger the TabChanged event when being dragged.
This component uses the GDI + headers found at progdigy.com
In Delphi XE this is not working very well… one solution might be to rename the gdi+ units. If you have a solution to the problem in XE I would be glad to post it here.