I'm currently, and still, running on the MIUI ROM v1.8.12 and see a lot of hype about the V6 or V8 Supercharger script. I went ahead and downloaded the Script from the market and downloaded the Update version 8 (V8) Supercharger from zep's Supercharger thread. This is the first time I'm messing with this. I've used Imoseyon's tweaks before but it never stuck so I stopped using it. However, I followed zep's instruction to use his Supercharger script, which includes disabling Superuser permission, and other stuff.
I decided to go with Multi-tasking option and it started running it through but I noticed that it kept saying permission denied when zep's Supercharger script was trying to run the script and regroup everything. I rebooted and tried again but still see permission denied.
Has anyone successfully got this going? Would you mind sharing what I've got to do to allow the script to have permission to write those folders and do what it needs to do?