I use mostly Lee dies, I like those collet dies too. I bought some Herter's dies used from an auction site in .223 recently,I couldn't find them in stock any of the usual places. Ebay had them for a ridiculous price, I saw some go for more than $90 for Lee's. I got the Herter's for about $15, I haven't tried them yet, they might be junk. Have you ever used that brand?