Expert Sleepers plug-ins and OS X 10.6 Snow Leopard
We don't have 10.6 installed on any Expert Sleepers Macs, nor do we intend to for a while, probably at least until the inevitable 10.6.1 is released. There's just too much stuff that needs to keep working here, which isn't yet known to be compatible.
For this reason, we're as yet unable to directly support Expert Sleepers plug-ins on 10.6. That said, if users want to go ahead and try 10.6, we'll try to help as best we can with any problems that occur.
One issue has already been reported. Apparently Apple have changed some things around relating to fonts in 10.6 - see this article, for example. Most of the Expert Sleepers plug-ins use the font "GillSans.dfont", which sadly is one of the type that Apple appear to have retired. Fortunately most plug-ins that have seen an update recently fall back to "Monaco.dfont" if GillSans.dfont is not found, and it seems that Monaco.dfont is still shipped in 10.6, so the GUIs will continue to work, though will look a bit wrong.
The exception is Crossfade Loop Synth, which simply fails if it can't find GillSans.dfont. The workaround, until an updated version is released, is to either restore the GillSans.dfont file from a backup (it lives in "/Library/Fonts/GillSans.dfont", and will quite happily live alongside the newer "GillSans.ttc" which Snow Leopard installs), or duplicate any font of your choosing (e.g. the aforementioned Monaco.dfont) and rename it as GillSans.dfont.
There's a possibility of a nicer fix, but first we need to establish whether my plug-ins are compatible with the newer ".ttc" font format. Expect an update soon.
Apart from this font issue, there are so far no other problems reported with Expert Sleepers plug-ins and Snow Leopard.