My story of making the change is already documented in this forum where I went from tower ESS, Fortura Soveriegns to Outlaw LCRs. I think one of the big items we worry about is loosing the large bottom end the towers provide. Including a high quality sub with the change (like I did with a LFM-1EX) makes it not only possible but an improvement. Trying to replace towers without a good sub would sound like a downgrade. With a good sub, it can make you wonder why you waited so long. I have both the LCRs and the Bookshelfs. I tested both in front and found the LCRs to have better high/mid end that I was looking for and let the sub provide the rest.