MD100,
In the closed thread, Snaproll posted these speeds:
http://www.pprune.org/4969395-post571.html
According to the QRH and based on a weight around 210t:
(speeds are approximate)
Green Dot (minimum clean speed): 245 kts
Turbulence penetration speed: 260 kts
Vls w/ 0.3g buffett margin: 235 kts
Speeds are all indicated so no ISA deviation necessary.
Not much margin.