Vizio’s turnkey 5.1 surround sound system is back in stock again, and now all the way down to $130 for Prime members. This was going in and out of stock for $150 last week, which at the time seemed too good to be true. Just note that you won’t see the $50 Prime discount until checkout.
Source: LifeHacker – PSA: Vizio’s 5.1 Surround Sound System Is Down to 0 For Prime Members, Which Is Ridiculous