Airfix (actually Hornby these days) have re-released this set to coincide with this year's 200th anniversary.
It's selling for a "mere" £39.99!
It's nice to see though that they haven't been tempted to give a makeover to the kitschy artwork from the original 60s issue (which I assume retailed for a price somewhat lower than £40), even going so far as to retain the wrong flag being flown by the Grenadiers.
Here are the actual flags used at Waterloo by the same lads:
Airfix have a bit of previous when it comes to that flag. This is meant to be from the American War of Independence ...