FYI: files.wowace.com is a dead link as that portion of WoWAce was shut down long ago. Just go straight to
http://www.wowace.com
However, considering how old some of those AddOns are (and how old that post was), you can replace most of them with new AddOns from Curse (WoWAce releases get syndicated or "pushed" to Curse) or WoWInterface.
WI= WoWInterface, Cu= Curse, WA= WoWAce (for beta)
- Sunn viewport art - WI, CU
- CT Raid Assist - CT_Mod site, Most guilds do not require CTRA these days, the raid frames can be replicated by sRaidFrames or XPerl (raid frame) - WI, Cu
- AG Unit Frames (ACE 2) - replace with Shadow Unit Frames - WI, Cu
- Bongos2 - replace with Dominos or Bartender4 - WI, Cu (for both)
- CyCircled - replace with ButtonFacade - WI, Cu
- Autobar - WA
- Prat - WI, Cu
- MBB (minimapButtonBag - Cu
- ElkanosBuffBars - WI, Cu
- RicoMinimap - WI, Cu
- Fubar - replace with the Broker display of your choice - WI, Cu, etc.
- Recount - Cu
- Omen - WI, Cu
- Quartz cast bar - Cu
- Necrosis - Cu or replace with LunarSphere - WI, CU
- Wquipcompare - built into WoW otherwise I prefer tekKompare - WI
- Auctioneer - WI, Cu, Auctioneer site
- Sellfish - no longer needed as functionality is now included in WoW.