Hi guys,
Yes, in general there would be no point in a LA5000, unless you are already a D5000 owner and want us to trick your existing headphone out to the max (which we have done for several people). However, if you don't already own a Denon and are starting from scratch, you can save yourself $200 by going with a D2000 as your base phone. To make an LA2000, we discard the two things that distinguish the D2000 from the D5000 anyway (cups and cables).
As someone mentioned, the D2000 stock cable is poor, but the D5000/D7000 stock cable is well-known around here to be quite good for a stock cable. We used to sell them to DIY-ers to put on their own phones but demand was too high and supply too low so they are now reserved for folks getting their D2000's mod-ed by us with custom cups and markl Mod. If you want a LA2000 "light", with excellent D5000 or D7000 stock cables, it's still cheaper to buy these from us than to send a D5000 to be modified. Plus, we can shorten the stock cable to any length you want and we add a nice Neutrik jack, too. Cheers.