1: vmware converter would be the way to go as DaveM said.
2: if the vms have hardware 4 you could just copy over the files /restore from backup onto your new host/storage and just upgrade the vmware tools.
"This virtual machine (hardware version 4) is compatible with ESX/ESXi 3.5. ESX/ESXi 4.x, and ESXi 5.1."