Thanks for writing and for your feedback.
Indeed, enabling similar functionality in RadSlideView like in RadJumpList sounds reasonable and we could consider it.
As for the orientation support in RadJumpList - it is already there. You can set it the following way:
This will make RadJumpList order its visual items in horizontal manner. However, scrolling will be smooth and not per-item as in RadSlideView.
I hope this helps.
the Telerik team
Explore the entire Telerik portfolio by downloading the Ultimate Collection trial package. Get it now >>