Our recommendation is that you choose Mastodon when:
Otherwise, you may wish to consider Soapbox or Misskey which offer you more features while using less resources.
We have a test server that we use to try new Mastodon versions before updating our customer's servers. You're welcome to take a look.
12VPX provides hosting services only. We encourage you to support the development of Mastodon through the author's Patreon.