Go with Xbox, so your sister can repeatedly beat you.
The kid would have a fit if his Sister kept the sneakers.
Could you find her a more brotherly brother?
As an Adult, my criteria for choosing Gifts was to locate something we would Both enjoy.
After all, how do you give someone a Gift that you would not consider owning yourself?
It does make shopping for gifts very difficult.
The Exception, of course, is when you find the gift that fits the other person Perfectly.
Like the time I gave my brother a Homebrew Beer making kit.