When you say 'better', do you mean 'for less' ? This French mfg sells most tubes for less than what the specific brands (as they are simply resellers) officially ask. LUMIX France
Oh, and for an idea about prices, they quoted me 158 Euros for each Acute 2/D4 bulb and 80 Euros for the frosted dome, minus a 19% discount for US buyers. But there's a 10-bulb minimum.