MOBO - I've been liking it since I bought it, and planning to go for a black/blue theme.
RAM - can't afford anything more, unless I do part-time work and full-time student. Kingston HyperX is the one I can afford with its blue-colored heatsink.
HDD - In 1 store here, WD is cheaper by $1. In another store [2590-2650 converted to US$], Seagate is cheaper by $20 [3030-3950 converted to US$]