VAT is supposed to be charged on everything.
There are quite a lot of exceptions in practice, but they are gradually being whittled away.
I don't think it's of significance one way or the other - what's it going to be, about another $2.25? Can't see anyone stopping playing because of that.
I believe we already pay VAT on our ISP/Cable subs.
Europeans get Zinged with New Tax
The following was posted on the official site. Tough break for those who live in Europe:
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VAT to be Charged for the European Union
To comply with changes in the law in the European Union, Sony Online Entertainment game Subscribers who are residents of EU countries will be charged VAT equal to 17.5% of the subscription fees. These changes require that digital services be taxed at the point of consumption , i.e. in your country of residence. The countries currently covered by this policy are Austria, Belgium, Denmark, Finland, France, Germany, Greece, Ireland, Italy, Luxembourg, The Netherlands, Portugal, Spain, Sweden, and United Kingdom.