set NetworkInterface info

Hi all,

I am working on a custom Proxy Server that can make HttpWebRequests / Responses via
two Network Interfaces (one wired, one wifi). I think there are three general
approaches to this:

1)give up on HttpWebRequests, use Sockets/TcpClients and bind my own socket to each interface

2)Find a way to gain access to changing System.Net.NetworkInformation.NetworkInterface objects

3)Another way all of you genius' know about

I am fairly familiar with all of the System.Net objects, but would prefer not to
use the Sockets type as a nice HttpWebRequest object is already created.
Does anybody know how to gain socket access of these objects? any ideas at all?

I appreciate any help with this.

Thanks ahead of time,
Nick