I agree with John, members have stated that the cooresponding W series closely matches the regular lineup.

W150 = VP150
W3's = M3's
W22's = M22's

They are just designed in a footprint for people wanting a sleek look and great for new construction.

M80s VP180 4xM22ow 4xM3ic EP600 2xEP350
AnthemAVM60 Outlaw7700 EmoA500 Epson5040UB FluanceRT85