Do I need DX9 on a DAW that only uses VST's ?

> Not sure if this is the right forum or not...
>
> With Logic Platinum 5.5.1 and TC's Powercore in
> Windows XP Pro (SP1), I'm only using VST plug-ins
> or Logic's native ones.
>
> If I'm not using DirectX plug-ins, is there any benefit
> in installing the latest DirectX 9.0b rather than carry
> on with the default 8.1 in XP ?

>
> Are there any system benefits or improvements in audio
> handling
> with DX9 that would make the update worthwhile?
>

> My ATI graphics card is only DX8 capable but I don't
> use it for games - just running an audio workstation
> here.
>

> Cheers,
> Laz