Currently running a little 1.5KW/110V spindle + VFD on my AvidCNC Benchtop PRO 2436. I am tired of stalling out when I go through hard woods.

I have about a $500 budget. 240V 50A circuit ready for the fun.

In the past I have used the classic 2.2Kw water cooled + VFD setup. It worked well enough and I was able to kick up some good sawdust rooster tails. Is there a better option, with out breaking the bank?