For your information, Vyatta 4 apha has been released, some important features are :
>> New Vyatta CLI – FusionCLI(tm)
>> Completely revamped the routing subsystem
>> Completely revamped policy subsystem
>> Completely revamped VRRP subsystem
>> DHCP client
>> GRE
>> IP-in-IP tunnels
>> L2TP+IPsec and PPTP client VPNs
>> Coming soon – QoS, WAN Load Balancing, PPOE and more