As more companies are virtualizing their infrastructure based on VMware ESX, more need are araising for a disaster recovery solutions supporting these enviornments. VizionCore vReplicator & Veeam backup & Replicaiton are two host based replication solutions supporting VMware.  If you are planning to build a DR for your VMware Infrastructure & Storage replication is not an option you might want to look at the following comparison: VizionCore vReplicator (esxReplicator) vs Veeam Backup & Replication. It will help you pick up the one matching your DR requirment for your VMware Infrastructure.

I hope that help you out, and leave a comment of your thoughts on the comparison as ITComparison team will be following this post as well the comments on their blog at: VizionCore vReplicator vs Veeam Backup & Replication Blog Post