I have the opportunity to buy the referenced in like new condition for what seems a very good price.......the fella is trying to pay down some debt. Anyhow, I'm fairly new to the MTB thing and have been looking into buying a hardtail when this option presented itself. I have a couple questions.....

1 Is this a solid bike, reviews look favorable? I'll basically ride a little pavement to get me to trails in the KC area.....light to moderate trails

2 I don't know much about rear shocks....I understand there is maintenance involved, but what is the life expectancy of a rear shock under weekend warrior type use? Can the air shock be replaced by a coil?