Not played any live cash games myself so i cant comment too much. However, i recently did a fact finding mission to the Hippodrome which is the new casino above Leicester Sq underground station they claim to have 247 cash games running and no tournaments.
When i decided to be nosey i saw a few people playing most of whom seemed extreemly nervous to be playing and spilling chips all over the place. It was at 1430hrs on a friday afternoon and they had two tables with 7 on each.
It was a nice open atmosphere so go and have a look its on the top floor.
Let me know if u start playing and i will rail you after work!
Stu