Vl@d Zola Jr. has released a new version (v2.2) of REDitor II for NBA 2K11 and NBA 2K10. The latest version contains several bug fixes and also adds support for roster files from the Xbox 360 version of NBA 2K11. With the release of NBA 2K12 right around the corner, Vl@d has also lowered the prices for the different licenses that are available to purchase.
You can download the latest version here. You can also check out the release thread here in the NLSC Forum for the full release notes for v2.2 and general information on REDitor II. Any issues or bug reports should also be posted there.