[ddouglass]

MTU's previous policy had been that you pay for any major version upgrade. A major upgrade being any change to the first two digits (3.2xx to 3.3xx). SOme of those upgrades came in less than a 12 month period. According to this method you would have had to pay to go from 4.0x to 4.1x and then again from 4.1x to 4.2x. You just saved the cost of 1 upgrade, because at that time they gave it to you for free.
MTU change the policy to be a standard 12 month period which can be beneficial to all of us. You are not paying to go from 4.21 to 4.22, but instead paying to go from whatever the last upgrade you bought (4.0?) to 4.22. All of the ones in between (4.0 - 4.21) you got for free as they added a ton of new features. All those features that they added Hoster as well as some of the other programs has cost MTU a lot of money and time to try to make all of their programs the best on the market.