Who doesn't like warm foam?

Here's how I get mine now:
Fill the sink w/ hot water, put in the bowl and fill it with hot water too, soak my brush in it. Then I pour water out of the bowl, leave the bowl in sink and cover with it lid, work on the soap cake / cream, lift lid and work up lather in the bowl. After I put lather on my face, I leave the brush in the bowl with the lather and cover all with the lid. All stays in the water. Has worked fine so far and the bowl cost like $4 or so. It is also nice Ferrari red color Foam stays warm much longer than 15 min (I take quite some time to shave) but it does get lukewarm by the end of my shave.

So now I am thinking if paying $40 is worth it. To be honest, I am skeptical. The Moss scuttle does not even have a lid, and I'm sure heat escapes more readily than from my current set up. Also, someone on another forum mentioned warm lather for only 15 min... It does look nice, I admit

Thanks
Ivo