Cheap Brushless and ESC combos on Ebay.. Any good???

[Nellybobs]

Hi people, Oople and RC newbie here, just bought myself a Lazer ZX-5 RTR, few subtle chassis hop-ups and really starting to get to grips with it!!

Was searching through Ebay the other day and came across a load of cheap Brushless and ESC combos Starting at anything from 10p to £60

Now i know and fully understand that 'You get what you pay for' but has anyone actually used one of these things and if so are they any good??

Cheers people

Paul....