[losthelm]

People either tolerate it or hate it.
Its slower to work because of the need to preheat it more.
It can pop if your not careful.
Soft glass is a lot more expencive then boro, but you need a bit more torch.

Divardie has a few colors other suppliers don't.
And its a bit cheeper.
Tools tend to reflect the cost.
Brass prices have dropped a lot so it may start reflecting tool cost in the next few months.
There are a number of suppliers depending on where you are.