I like tapering. IMO, tapering doesn't get enough credit. Also, What the other guys said makes sense. I've been on letro alone for a little while now (started a few weeks after cycle ended- did formestane in between) and though my sex drive is down, my boys are living quite large lately, ahem. So, whatever that's worth...
Honestly, if I still had the option, I would like to slowly taper off with d-bol 1st thing in the morning: 15mg. 2 weeks, 10mg. for 1 week, 5 mg. for 1-2 weeks and then 2.5mg (!) for 5 days or so. I did this once. And, as primitive as it sounds, I felt great (was using clomid in addition) and kept plenty of gains. I believe it gives the body a nice transition time to get working on its own and helps keep a little aas in the system for gains keeping. Just my experience. Best of luck!
Jacob