If we are talking about airliners, I thought the Fokker 100 with 650 engines was the "Bee's Knees." The more modern Embraer 190 which I now fly is far more capable, but a dog to fly. The Embraer is full of Honeywell's finest rubbish in the form of a badly spec'ed FMS and dreadful Autopilot/Flight Director controls.
PM