buying used hustler or exmark zeroturn confused!!!

[clearcool]

Hi, every one i am new to this profession so, would really appreciate any honest suggestions in the matters.

I was looking for a zeroturn hustler or exmark .what should i do and my budget is limited

options 06hustler fasttrack superduty with 200hrs for $4500.
or a brand new for $5800.
or any exmark
any suggestions?
thanks