New vegas achievements

Now we have some new vegas achievements to get in mafia wars .Seem quite interesting they pull this out very late which could have been earlier..
I think want all to get into these achievements and play much more and give them the desired click backs.
Here is list of new achievements...

• Earned by completing the Ruby Level of Mastery of all Districts in Las Vegas
• 
  Shake Em Down
  Earned by earning 1000 Victory Coins in Vegas
• 
  Holes in the Desert
  Earned on September 15, 2010
  Earned by icing 5 fighters in Vegas
• 
  Arachnophobia
  In Progress (2/50)
  Earned by owning 50 Desert Spiders
• 
  Long Arm of the LAW
  Earned by owning 100 LAW weapons
• 
  In It to Win It
  Earned by winning 10 tournament fighting World Championship Bouts.
• 
  Long Odds
  Earned by winning a tournament fighting bet of at least $1k with 10:1 odds or greater
• 
  Gambling Man
  Earned by winning a $100k tournament-fighting bet
• 
  Trouble Maker
  Earned by participating in Fight jobs 500 times