Bro, I am using 2008 club and steering is not that hard.. Just keep the tyres air pressure up to mark.. I never felt that I need power steering. I have also used a 2003 Exec version, that was so soft steering.. and power window was also a pleasure..
Regarding parts, its not that expensive as people use to say.. I have been using Santro from 2007 and never faced any major issue..
I am 6 feet in height and its very comfortable ride for me, its Engine performance is great, drive feels like a big luxury car and AC is chilling comparable to a 1300cc car. Its a really good family car to have..