What DOES justify the price is the group actions. This add on pack is all about group interaction. No more constant clicking on Serve Dinner. THere is a command that allows you to throw a party. Lots of new objects that involve group play.
Undesirables show up for lame parties.
These are just a few. To conclude, if you are a casual sim player, who didn't buy the last expansion, don't bother. You won't get your money's worth. Nothing new here, same ol' sims pseudocartoon style. The new backdrops for rave, country, and hawaiian are well captured here.