A Valve Storm/Metropoulos Kit JTM45 with Heyboer transformers and Dagnall Choke. That's about 1000 Dollars inc. Head Cabinet from VS. Another few hundred to put it together and about 700 left over for a Cabinet x Speakers.
Could probably get into a used marshall reissue for under 1k as well.
Or better yet learn to build your own.
George gives away the instructions many builders are using to make their product line with,
Source the parts smartly....and you learn a lot and can tailor and voice your build to your exact needs