If you go D2,look for the last of them, D2a,the ones with the upgrade headlights(beware people retro fit them to early D2s).This way you you get the CDL,and the best of the D2s,they were well sorted at the end of production.
As others suggest,look at a D3,chalk and cheese.Better vehicle again,the petrol V6 version is pretty cheap,you can buy a lot of petrol with the difference in cost between a petrol/diesel.
Andrew