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I guess this is tossing into the fray, but here goes:
I had an all Linksys wireless 802.11b network. It crapped out all the time. Over the course of about a year I replaced both cards (one PCMCIA, one PCI) and the router. Problems were random, mostly affecting only wireless and not wired. I hated it. Recently I picked up a D-Link DI-524 router and a new PCI card. My wife now just uses her new laptops built-in 802.11g card. I LOVE it. It drops wireless to my desktop once in a while, but it's across a couple rooms, with heavy walls in the way, and my computer low on the floor with a lot between it and the doorway. The options set was far superior to my Linksys, including the ability to create REAL firewall rules (such as ALLOW ANY ANY TCP 80) and even with time restrcitions. For security, I use MAC address filtering, so that only those wired and wireless devices in my home can access the router. It uses static DHCP for each device as well. Who needs WPA when you can have WEP (weak) with MAC filtering (strong)? The WEP keeps out non-geeks, the filtering keeps out everyone else. An additional firewall rule could be set up that could prevent communication from any IP address not owned by one of my MACs, so even if spoofing was created, they'd have to have the right IP address as well (which with DHCP wouldn't be much of an issue, but still).
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