Variable Ignition Units

Hi All,
I've always used Mtech ignition boxes but they seem to be a lot more expensive than I remember. What's the best alternative? I'm a bit out of touch with the bolt on units.
Cheers
I've always used Mtech ignition boxes but they seem to be a lot more expensive than I remember. What's the best alternative? I'm a bit out of touch with the bolt on units.
Cheers