Hotel Derek was a hot property when it opened in the 90s. It's certainly in a great location, on Westheimer next to IH 610 and the Galleria. Valet parking was pricey ($40/night) but better that parking yourself ($30/night), but the valet service was quick (Don't bother trying to call; it's easier just to go downstairs and present your ticket.
The decor is pure 90s, which means rather outdated. We had a balcony suite, which was nice enough and clean, but the "suite" just means a very long sofa (at least 9 feet) against the window and a cozy separate computer room with a sliding door to the balcony. The view is unimpressive, but who wants a view of a busy Houston business district? There is a coffee maker and a small fridge in the main room. The king bed was fairly comfortable, but the hotel's pillows are as thin and hard as any I've ever stept on. The bathroom was ok, except that the bathtub was very high for elderley guests.
The problem is with staffing. We arrived after 8 pm, and only one employee was handling both parking and our luggage. When we finally got to our room and unpacked we went downstairs to get something to eat. The bar was busy, but we sat at a table and waited for service. The bartender was the only employee in evidence, and when moved to bar seats and asked for a menu we were told (a little after 9) that the cook had just left. Maybe you could get a hamburger or short order at other times of the day. Room service wasn't even a possibility.