Like an ominous cloud, the letter F hangs over Lexus. It once represented something:

outrageous music, V-8 power, and jaw-dropping opulence. These days, it's unclear exactly

where Lexus's performance division is going to end up and what it wants to do with the letter F.

The brand-new IS 500 F Sport is one such instance. Instead of being an IS F successor,

this device has an awkward moniker and should be viewed with some modified expectations

. In this manner, they avoid having to defend its lack of dynamic qualities against soiled