Best under-$1000 amps for gigging in small venues?

[bho]

Originally Posted by RockerDuck

Use a DI and plug your acoustic into the PA.

Here is a question which will demonstrate my ignorance on this topic: if I use a DI and plug into a PA, does the power or volume the amp is capable of no longer matter? In other words, will all amps essentially have the same power when plugged into a PA?