I have to disagree completely with you. I did about a 1/3 of Combank and had to stop because the quality was so poor. It wasn't just the errors. It was the overall quality of the bank. The explanations were very poor. I also found explanations that were word-for-word errata from First Aid. I can see it having value if you were just using it for evaluating yourself, but in terms of a learning bank, Comquest blows it out of the water.
Comquest had very well-designed questions with very strong explanations. The explanations are where the value is at. It sounds like you prefer the light explanations that Combank has. I read every single explanation in Comquest and I feel like that is what made the difference in my scores.
You mentioned that they had lots of Level 2 material, but on my Comlex I felt like it best represented what I saw. Comlex is very weak in basic sciences and more about clinically relevant material anyhow, so I'm not sure how you would draw a line between Level 1 and Level 2 like you are doing. I went through most of Comquest and maybe found a couple of errors that were not content related. Whereas Combank was full of content-related errors. You also mentioned Ethics and Medical Jurisprudence to be too much. I took my Level 1 last month and mine was full of ethics and jurisprudence. The same can be said for my friends who took it this year. Comquest gave me a big advantage with the ethics and law section.
I may be biased on this because I give Comquest a lot of credit for taking my score of 420 on Comsae C to a 660 on Comlex Level 1. I feel very strongly that Comquest will be the standard for the Comlex within 2 years, the same way that UWorld has for the USMLE. Just my 2 cents.