Keep away from the Mullard re-issues. I didn't find them nearly as nice as the originals.
Also remember that a good 6DJ8 will last around 10,000 hours. So if you consider a $100 investment, it's only pennies per month to use.
Also remember that a good 6DJ8 will last around 10,000 hours. So if you consider a $100 investment, it's only pennies per month to use.