My situation is very similar to yours, except, my apartment is not completely wired, I could not run(hide) the wires like I wanted to. Plus I wanted to add wi-fi for my shiney new iPAQ.... My home lan is in WORKGROUP mode, not Domain. (you mentioned DC, so I assume you have a machine setup as a Domain Controller?). I had multiple PCs and printers already networked behind a wired router that is acting as DHCP Server, NAT, firewall, etc.
Back in July, when I did this, I found Wirelss Access Points and Wireless Routers to be about the same price. From what I read on APs vs Wireless Routers, I decided that for ME, getting the wireless router was a better idea, as then I'd have a backup if my wired router ever died. I also decided the other one or two features (bridging was one) that APs had, that wireless router lacked, I would not need.
I started with Linksys BEFW11S4 wireless B router and an Ambicom WL1100C-CF Compact flash 802.11B card. While I intended to use the Ambicom card in my iPAQ 2215, it can also be used in my Laptop via a CF to PCMCIA adapter until I could scrape the money together to get the laptop its own card.
It worked well, except I noticed when streaming video (MPEG or AVI) to the laptop via Wi-fi, the video was kind of jerky and file transfers from the laptop to one of my desktop PC's via wireless was sllloooowww.... Internet access was just fine.
So, I took the BEFW11S4 back and picked up a Linksys WRT54G wireless-G router, and a Linksys WPC54G 802.11G CardBus card for the laptop. The iPAQ still uses the Ambicom card.
All works great! Speed is better, but obviously not as good as wired, and video is no longer jerkey.
To set it up, I disabled the DHCP server, and changed the LAN IP address of the Wireless router and stacked it to a LAN port on my Linksys BEFSR41 WIRED router.
I put a walk through of the configuration steps for how I set mine up (including screen shots of PPC steps) at...
http://marzano.home.att.net/mobile/ipaq.htm Its not the best, but its enough to give most people a start. Also there are links to the FREEWARE apps I'm running on my iPAQ, including networking and browsing apps.
As for "rave reviews" on CF wirless cards. I don't know I'd call this a rave review, but I like my Ambicom card. It was purchased locally because it was on the shelf. It was easy to install and configure. And IT WORKS.
There are a few threads with info/reviews/opinions of CF Wi-Fi cards here in the PocketPC Thoughts forums. Search for posts by me, and you will find quite a few.