PlayStation Plus offers do come around every now and then, but Sony has just announced a more permanent addition to the service: the option of a $10 (or 7 euro) monthly membership to supplement the regular 90-day and annual subscriptions. The lack of commitment comes at quite a price, given that the longer contracts bring the the effective monthly cost down to $6 and $4 respectively, but it may still make sense for flighty types. Anyway, once you
