My opinion is that WEP is not (nor was it meant to be) a complete security solution for WiFi. It needs to be augmented by a WiFi-tolerant VPN solution. The best way to secure it today is to first put an IPSEC VPN gateway behind the WAP. Next, you configure the gateway to only accept inbound/outbound IPSEC traffic (use IKE for JFK for key negotiation). Finally you install a VPN client/s on the machine/s that want access to your network. What this guarantees is that a VPN tunnel will have to be established before a user can access your network over the wireless access point and that an IPSEC tunnel will always be present for the duration of the session.
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