Sounds like you are good to go then. If you liked the standard ET3 and have the time to wait for the SE open up from all reviews you will be rewarded with sound that far surpasses the standard version. Plus the bonus of only one tube so if you find one you love you can buy a couple of spares. I would suspect that the Voskhod or Reflektor 6n23's would work great in that preamp and you can still get great buys on them from a couple of trusted vendors on Ebay in Eastern Europe. I just picked up a matched pair of 69 Voskhod's for about $40 shipped or in the US you can see what they have on tubemonger.com in Ca.