Do not sleep on Peavey combo's
Bandit, Vyper, ect.
They can sound very brutal. Obviously not enough to keep up with drums but for solo practice imo they can not be beat for the price.
However I also agree with timeroo. I spent $150 on a decent used interface and used amp sims and IR's and got a decent practice sound.
Also another option if you have a small cab/pa/monitors is to buy the BIAS app. Very cheap and can also sound killer. I actually used that for band practice often.
But if an actual amp combo is a must, there are alot of good options listed in here but the best and cheapest imo would be a Peavey Bandit or maybe the Vyper.