Yeah, I like the Attitude Era belt, but I think a completely new belt is needed at this stage.
Speaking of title situations, the United States Championship follows the lineage of the WCW United States title. What I don't get is that the WHC doesn't follow the lineage of the WCW World Heavyweight title - despite being almost the exact same design.
Between the end of the Invasion angle and the Vengeance PPV, the WCW World Heavyweight title was known as the "World Championship" whilst the WWF World Heavyweight Championship was known as the "WWF Championship". This was done to simplify things until they could unify the belts. The WHC at this time still followed the WCW lineage and this carried on until Chris Jericho unified the two titles. At this point it became the "WWE Undisputed Championship" and on the Raw following Wrestlemania, Triple H was presented with a new belt to represent this.
The confusing thing is, the Undisputed title follows the lineage of the WWE Championship, but not the WCW World Heavyweight title. It seems that following the unification of the belts and the subsequent "new" title in the guise of the Undisputed Championship that WWE began to recognise Undisputed title reigns as WWE Championship reigns. Indeed, when the Undisputed title was renamed to the "WWE Championship" and the World Heavyweight Championship was activated, any Undisputed title reigns were recognised simply as WWE Championship reigns - including Chris Jericho's and Triple H's, despite the fact both of them carried the WWF and WCW belts.
The WHC follows the lineage only as far back as 2002 when Triple H was presented with the title belt. I think it would mean more if WWE officially recognised the WCW lineage, but then they would have to acknowledge a lot of names they don't want to in the title's history and there's the whole NWA connection they want to avoid with the title since it represented the NWA at one stage.
Despite the fact both the WHC and WWE titles are "world titles", it's clear that the WWE Championship is seen as the best of the two. This is how it will always be since the WWE Championship has the greater lineage and is an original product of Vince McMahon and his family - unlike the WHC which follows the design of a rival company.