I was about to ask that same question and lucky me someone did it before me. 
I just sent a e-mail off to Kimi.

On Sunday 10 February 2002 11:22 am:
> Check with Kimi at Unitywave.com  She should be able to take care of you. 
> She is definitely Linux friendly and a member of this list.  If you need
> content filtered dial up (my wife insists in filtering) I am using
> paxway.com with my e-smith and there has been no problem at all with it.
> ----- Original Message -----
>   From: Charlie Bullen
>   To: plug-discuss@lists.plug.phoenix.az.us
>   Sent: Sunday, February 10, 2002 10:23 AM
>   Subject: dialup
>
>
>   I am looking for a new dialup account, does anyone know of a linux
> friendly provider. Generally, I connect with my e-smith server an then use
> (I'm ashamed to admit it) a windows box on my home network. just got a new
> external moden the supports the V92 standard. I'm not really sure if that
> is any great benifit ,but if it is so much the better.
>
>   Any ideas?
>
>   Thanks
>
>
>   Charlie
tom and Jim