If want to get her a solid case that will protect her Tour, you can't go wrong with the Innocase 360. She would also love the convienence of a dock charger. However, if you decide to get her both the case and dock, you will need to buy a custom dock from Seidio (makers of the Innocase 360) so that it will fit the case. You can still use that dock without the case on though.
Charging pod is the first thing I get with a new bb. I would not suggest a case, as cases are very much a personal choice and with so many options, it will be tough to pick the right one.
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Oh I love the idea of a desktop dock. She's in and out of the office constantly, and would love a place to set this to charge without having to worry about the cord falling behind her desk.