I've never had the SE and SDL side by side except for the night we brought home the SDL. It might be all in my head that I expect the SE to be faster than it is and I expect the SDL to be slower than it is.
The SE has more potential on the right side of the speedo, if you know what I mean.
It's hard to say which one I'd keep. Probably the SE because it has a color combo I really like (white/gray SE vs gold/palomino SDL vs cream/brown SD), it's cleaner, has better speakers, and I just had the tranny rebuilt. But the SDL is my daily driver.
In a real pinch I'd dump both and keep the SD
autotrader.com shows 4 SDLs within 45 miles of and 4 more within 150 miles of 21201.
yahoo shows one in Marlow Heights.
cars.com shows 3 within 10 miles and 1 within 40 miles of 21201.
They're out there for the testing.
Sixto
91 300SE
87 300SDL
83 300SD