I agree with the Tube Depot, great site, good prices, quality products. They have good, high temperature tube dampers on site, too. They are low cost and it never hurts to squish microphonics in voltage gain stages, even tiny ones.
Need Tubes
My Audio Research LS25 MK2 is in need of tubes. I was going to order a set from Audio Research but wanted to hear from you guys who may know of a better tube.