How does something being "serious" make it better? It's not true anyway that the microseries wasn't "serious". It had lighthearted moments and more emotional moments, just like TCW does. Having only watched the first 3 series of TCW I do prefer the microseries at this stage. Like others have said it did a better job making it seem like the galaxy was actually at war and made the Separatists formidable foes instead of it seeming like they go from defeat to defeat in TCW. I do prefer TCW characterisation of Anakin but CW still does a good job with him. Although I enjoy both overall I feel like TCW is a lot more hit or miss. You have good episodes like the Savage Opress stuff and the Citadel arc but then you've got the incredibly boring "Senate" episodes and any episode that has too much Jar Jar antics. CW was pretty excellent throughout for me. But we'll see what Season 4 and 5 have to bring. I'm really looking forward to this Maul arc.