Hotwire Hotel: Austin Downtown ID and Post-Christmas Rate Drop?

I want to book a 3.5* or 4* Hotwire hotel for my college age daughter and her roommate in downtown Austin for December 26th to December 29th or 30th. Currently there is a 3.5* for $69. that looks like it may be the Hiton Garden Inn (formerly Crown Plaza) because it has the "Tennis Nearby" icon. Is this accurate? I've read some bad reviews for this property when it was Crown Plaza and the Texas Hotwire list indicates it dropped from 3.5 to 3 when Hilton took over. I was hoping to nail down the Doubletree for around $50., but don't know what icons to look for.

There's also a 4* for $88. and a 4.5* for $192. Either of those would be fine, but the rates are too high for her budget. Will there be a drop in price as we get closer to those dates? My husband says that downtown hotels will be pretty empty between Christmas and New Years Eve and we should wait to book. Any advice appreciated. Thank you!! I used this site to book a Houston Galleria area hotel in November and had a great rate and stay at the Intercontinental (details previously posted).

... it has the "Tennis Nearby" icon.

What is the full list of amenities associated with this property?

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No Austin hotel booked this time. Due to an auto accident around the holidays, we weren't able to watch and see if the prices do indeed drop as the holiday week gets closer. Maybe next year. A previous Hotwire experience in Dallas (summer 2008) was that there was a slight drop in Hotwire prices the evening before and afternoon of my stay.