The desire to reduce recoil was one reason which led to the development of the 11-87 pressure compensated gas system. Another consideration was how the 1100's bolt would rip cases and break extractor claws when higher pressure shotshells were used. With the pressure compensated gas system of the 11-87, and the newer heavier bolt, these problems have been alleviated. Note: on the police models there is no pressure compensation system (as it requires a 26" barrel to work).
Remington also found that by using a heavier stainless steel magazine tube, the gun could tolerate a higher heat buildup, had greater strength and wear durability.
Finally, since we've all seem to have overlooked a point, Happy Birthday HaTeDrUgY. May the gun of your choice give you many years of good service. Drinks are on me.