Forum OpenACS Q&A: Response to Serving up OpenACS from home
A good overview of the WEP vulnerabilities is at
Some vendors have already implemented IV randomization in their products (Lucent's latest AP-1000 firmware specifically mentions this in their README). This will help a lot. Between this and changing your encryption keys often you should be OK for home usage. Or you can put your AP on a separate subnet and firewall it off. That defeats the purpose of "anywhere" access a little bit, but not too much.