A DM4 was my 2nd Electro and I loved it.
It wasn't super efficient compared to other markers, but the Evolve bolt will help.
It would shoot the most fragile of paint though, so it is worth setting up the LPR and dwell etc, for a nice blend of efficiency and softness on the ball.
If you need any bits for it, DYE will help, or speak to Fly on here, Heavenpaintball, very helpful.
They are a bit bigger and heavier than modern versions of it but they are still awesome and sexy too!
The only thing you may want to consider, is setting the BPS to around 12 as that is the current standard for ramping.