PS1 - When I was 8, mom suggested we get one
PS2 - After PS1, how could I not
Tekken 4 and GT3 were my first reasons
PS3 - Continuations of many PS2 series. Expectations of lots of JRPG's.
GC - Tales of Symphonia, SMS, MKDD, Baten Kaitos games, superior versions of PS2 multiplats
Wii - Xenoblade, TLS, other JRPG's on it, Mario Galaxy games, Metroid Prime 3
PSP - Crisis Core, Ratchets, JRPG's
DS - Ninty first party, good 2D games, JRPG's
edit: forgot Genesis and Saturn.
Same reason for both. A lot of 2D side scrollers on each, and SHMUPs are the best of their respective generations.








