I have a REL Stadium III (equivalent to a Stentor II) and, having recently added bass traps floor-to-ceiling in the front corners, I can tell you that bass trapping is extremely important to get the big RELs to integrate well in a normal size room (mine is 14.5' X 23.5' x 10')and do what they are intended to do. Without the traps, my bet is that you will ultimately be dissatisfied with the tonal balance, although you will love the improvement in soundstaging and ambience.
I use the REL with Thiel CS5i's (very large full-range loudspeakers). With limited low-range speakers like monitors, I imagine that the traps could be even more important.
If you decide to buy a Stentor, go with the Stentor III if you can. The specs are significantly better than the II (more power, bigger cabinet, improved driver) and I have been told that it sounds faster. You will appreciate the difference. Also, consider the better after-market hi-level cable mandatory for best results.
I use the REL with Thiel CS5i's (very large full-range loudspeakers). With limited low-range speakers like monitors, I imagine that the traps could be even more important.
If you decide to buy a Stentor, go with the Stentor III if you can. The specs are significantly better than the II (more power, bigger cabinet, improved driver) and I have been told that it sounds faster. You will appreciate the difference. Also, consider the better after-market hi-level cable mandatory for best results.