While you wait for answers, you might be interested in some threads from the FAQ sections on "The Fall of the Western Roman Empire" and "Roman Society in Late Antiquity":

• How did the decline and fall of Ancient Rome affect the average citizens of the Empire? - 14 comments, over 2 years old.
• There's a few short summaries in here, but also a period archeologist chiming in on the changes in material culture as the empire broke apart.
• What happened to far flung Roman provinces when the city itself fell? - 26 comments, over 1 year old.
• The commenters here go into the state of the Western part of the empire in the century before its fall which you find useful for the way it contextualizes the event.
• How "sudden" was the fall of Rome? - 85 comments, over 2 years old.
• Lots of information about people throughout the Western empire with a specialist giving a particularly close look to Roman Britain near its end.
• What happened to Roman society when the Western Roman Empire fell? - 7 comments, over 2 years old.
• The commenters here give a summary of how surprisingly Roman the invaders were in 476 CE and their efforts to preserve Roman institutions during the period as well as the roots of "feudalization" that came with the actions of certain emperors.
• How long did the worship of Roman gods continue after the fall of the Roman empire? - 48 comments, over 2 years old.
• This thread draws examples from Britain, the Eastern Roman Empire, and the city of Rome itself.
• Why does the concept of the end of the Roman Empire in 476 CE persist? - 8 comments, over 1 year old.
• Commenters here bring up the Roman Empire's long legacy stretching well past 476 CE which you may find useful as a reference for how much was still preserved in the final years of the Western Empire.