The rooms here are very nicely fitted out, but very tight (for a hotel in this category) - it's telling that they had to build a bench against the wall as the seating for the table. They definitely made the most of the limited space, but there are limits to clever layouts to overcome a small room.
Personally I would hesitate to share the standard room with someone else for more than a couple of nights max, and definitely not if I had large amounts of luggage.
Also, whilst the RQ location is peaceful and pleasant, the convenience factor of the Bugis location cannot be replicated where there isn't even a MRT stop nearby, let alone attached to a large mall.