Sounds nice. Also I checked online and they seems to have been around for a while. I hope they continue doing so in the future. What I think I'll do in case if I move Omni is that I'll keep my 1and1 space up for storage purposes. I'll do additional Omni backups there (database and some new files).
As for myself I would never be able to receive donations for my site because I do not have a verified Paypal address (to verify it, I need immediate transaction receipt at my bank but they only gave them once a month, one month late).
I hope you don't have too much issues setting it up