Willyson, there is confusion. FX1000e is new model, FX1 is old model discontinued. FYI as below. The ppl may be trying to sell V1 cuz it fits your budget. But take note it is not very popular due to roller shutter issues.
Depends on what u need the cam for. For biz, u will need XLR so go for the pro series. But if you go for pro series, u can choose bet Sony Z5p, Z7p, Canon A1s, etc. These are in the same league but they all cost 6k and above I think.
Sony Evolution
2005 CCD series:
Z1p (XLR Pro model)
FX1e
2007 CMOS series:
V1p
FX7
2009 EXMOS series:
Z7p
Z5p
FX1000e