What about an in-house separation? As much as your W says she wants you there, it doesn't make sense to spend the money for you to sleep elsewhere.
My H and I had an in-house separation, and it worked out well. Maybe it would work for you too...we were in MC the whole time.
SD
Me: 40 H: 43 H had EA from 2/06-9/06 Bomb 5/06 Piecing since 9/2006 3/2008: Boundary setting 7/2009: Boundary crossing~dropped my own bomb. 8/2010: Marriage finally on track!