That thing would need to be in perfect condition for me to pay $600 for it.
The frame is burly.
Angles are "old skool".
Part mix-assuming it's stock- is old and outdated.
It's an almost 10 year old bike.
If it's in good shape and well maintained, you can certainly ride it and have fun with it.
However, I look at the purchase price of used DH/long travel bikes as just being the price of admission.
You're more than likely going to need to put a few hundred in to any old bike unless it's mint condition-brake pads, DU bushings, tires,cables, grips, bar + stem fit, pedals, etc.
Add in suspension and pivot/bearing service and the $$$ add up if you aren't doing the work yourself.
So, perfect shape-$500-$600-sure.
Less than perfect shape and I'd keep shopping for a newer bike in the $800-$1k range.
Other bikes to look at that can be had "cheap" but still perform are Santa Cruz Bullits and Specialized Big Hits.
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