An ebay seller has 3 leica bags for sale.
I have the identical bag, It is a great bag and will hold all your equipment.
take a look;
Leica Vintage Leather Padded Camera Body Lens Bag | eBay
The Ultron is poor at wide apertures. Sharp center with very soft corners.
I have since replaced it with the Summicron, and this lens is sharp everywhere.
You might try some white lubricant in the future.
The butter in time will get rancid and could drip on your prints and make them stink. And you dont want people telling you your prints stink.
The rep is correct.
The M8 will give open shadows better than any other.
The m8 renders B&W, better than the MM.
Be sure to use raw, you can than post process in your choice of software and use the color channels to dial up the filter of choice.