InsideHW.com has compared two high-end P55 motherboards
Intel Core i5 and Core i7 CPUs that are compatible with LGA1156 socket, slowly but steadily are becoming interesting choice for wider user group because this socket is direct descendant of “good old” LGA775 and, of course, price drops. Intel P55 chipset is, basically, following footsteps of previous P chipsets (P965, P35, and P45). It is obvious that soon there will be many P55 based motherboards. For now we got two models signed by ASUS and Biostar which are based on same chipset but present two totally different solutions to the same problem…High-End P55 Motherboards Review
