The ht auto ones are pu so they bend a bit before they snap they did make them from some hard plastic a few years ago and they cracked but I think they have since pulled up there socks and sorted it.
Oe is the way to go if you have the money.
Think a few lads ordered some lips from the states a few weeks ago and said they were good quality think I remember 59 Euro was the cost ....I could be wrong but I'm sure they will be along to let you know.
Cheers
Keith