Sid-object v0.8 has been released. This includes better multitasking and is multidevice-supporting if you are use the AIASS-M4L device.
In addition Ken Händel has released an update to SIDBlaster-USB for JSIDPlay2 beta.
You can download the lastest beta at the gh0stless Github page.
The source code for the VST is available at:
The source code for the Max / MSP object under: