Very nice, comfortable, a few little problems
The Sheraton was a comfortable place to stay while on a family trip to Austin. It has clean, nicely decorated, quiet rooms. The beds are very comfortable. We did not eat any meals there, so I can't speak to the quality of the food. 
Superlatives- Every staff member was very friendly and welcoming-always smiling. 
The fitness center had great equipment and the indoor-outdoor pool was quite pleasant after the workout.
Some problems-mostly little, picky things, but all together knocked the rating down. 1) We had a hard time getting a good cup of coffee in the morning- the machine in the room made terrible coffee, we didn't want to sit down in the restaurant for meal, and sometimes coffee was not available in the lobby. 
2)There is a $10/day charge to use the WiFi-kind of steep to check e-mail, so we used our phones, which was a pain. 
3) From now on, I'll know to check parking prices when comparing hotels-although the staff told me $16/day was reasonable compared to other hotels in the area, it makes a difference. Also, often when we came back at night, all but the top level was full, leaving us to park in a place only accessible by a scary, dirty stairwell with most of the lights burnt out.
4)They did not refill our shampoo, etc, and despite asking for 3 sets of towels, only gave one washcloth.
Overall, though, we found this a pleasant place to stay, and would stay here again.