Product review (4 stars): Good upgrade
This unit replaced an almost identical looking unit from Nutone (also made by Broan, I believe).  We replaced the old unit because during heavy stove use it couldn't exhaust quick enough to prevent the smoke alarms from going off.  The heavy duty motor and squirrel cage fan in this unit provide much better exhaust than the previous unit, which had a regular bladed fan.  It's quiet on the low settings and moves a lot of air on the high setting.  I also like the different light level control.  From previous experience with touch pad switches, I expect the nameplate to eventually wear through.  How soon depends on use.  Installation was relatively straight forward.  It can be installed by one  person, but it's a lot easier with two.