Hi Mike,
Just noticed this is your post too....
Based on what has been discussed in the Versarray vs VRX thread, I really wonder if you need a line array solution for what you have described. Line arrays are useful tools but certainly not the right solution for every environment. They can excel in long throw applications, outdoors, venues with balconies (ie theaters) etc where extended throw and vertical pattern control can be useful. However for the average user playing to smaller crowds at short distances with a common vertical plane, the benefits really become questionable.
Many people have begun thinking that line arrays are better than trap boxes as a general rule. This is simply not true. Each have their own benefits and should be used appropriately. Don't let the fact that line arrays are currently the bandwagon that everyone is jumping on make you think that's what will work best for you in your scenario. Based on what you said earlier in the other thread, I really think you would in most cases be better served by a small trap rig with some high output cabs that have reasonable pattern control. I hate making specific box recommendations, but something like Community SLS920's or Yorkville U15's might make a nice top box for you at a reasonable price.
Regards
Jeff