Good to see you liked Ancients album. I still have to check it out but I'm sure it will be great if the dudes in *shels released it and say that it is good.
Not to be a genre nazi but I definitely wouldn't say Ides of Gemini sound remotely sludge. Probably more black influenced than sludge.
10/3 Anathema/ Alcest
10/4 Mark Lanegan
11/1 Dax Riggs
12/12 High on Fire