Matthew, it isn't clear whether you're looking primarily for a size or price equivalent. Sizewise 4 MZeros plus a VP50 are the closest equivalent. However, if a bit bigger speakers are acceptable, I'd suggest that 3 M2s across the front and QS2 or QS4 surrounds would give you better sound. I assume that you already have a sub.

-----------------------------------

Enjoy the music, not the equipment.