Without shared storage you're going to have to do it the long, hard, way... You can use either the VMware Converter product, or connect to both ESX host datastores and move the directory for the VM from one to the other via your computer (don't expect it to be quick). You can also try using fastSCP (from veeam) to move the VM's from host datastore to host datastore. You will need to power off the VM's, remove them from the inventory of the existing host server, then move them to the new host and add them to it's inventory... Depending on how large the vm files are (such as thick provisioned vmdk's or just with a lot of information on the vmdk's) you could be looking at a lot of time...
IF you had some shared storage in the mix, you could connect that to both hosts, then shift the VM's over to that (svMotion) and then just migrate them between the two host servers (for inventory or regular vMotion)...
Any time you have more than one host server, it's a really good idea to use shared storage to house the VM's... That will also allow you to use things like HA and easily load balance VM's across the hosts... Hell, I only have one ESXi host, but I'm still looking to get a SAN for my home lab. That way I'll be ready for when I do get another system to be an ESXi host server.
I would have a serious talk with whoever controls the budget where you are and get some funds to get a SAN... Even if you go ghetto for now and get something more geared towards small environments (or labs) since you only have a small number of VM's... I would go with either one of the VessRAID iSCSI chassis (1830i: 12 bay; or 1840i:16 bay) filling up half the drive bays to start (SAS drives if you can, SATA if you must)... Another option are some of the products from QNAP, but those don't offer as many Gb NIC ports on them (limited to two, where the VessRAID offer four). You could also try going with one of the lower end MD3000i series devices from Dell (go with one that you can get brand new, with support)... I think the VessRAID would offer you the best flexibility and performance for the money. Allowing you to increase your storage capacity later, as you see the need. Either of the two VessRAID chassis can be had for under $2300 each (the 1840i is about $200 more than the 1830i). Then it's just a matter of getting some drives (Seagate Constellation SAS drives are not expensive for the capacity they offer) that are on the documented compatibility sheet (for the VessRAID)...
VMware VCP4
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