This will go a long way: if your band is very loud it'll need some help from the PA.
Speaking of PA, a Beringer BD21 straight to desk is a reliable way of getting a decent signal into the venue. Cheap and just good.
Peavey amps work great and can be affordable, it all depends on the rest of your band how much oomph you need.
You could see if this is still available if you're still looking: