I have youngsters (yearlings to 4 year olds) by Irco Lhee and Libro. They are really easy and trainable. Both stallions have sired top quality youngstock who have excelled in all disciplines.
It depends on the TB line though, certain one have a high percentage of break downs on the course which IMO means they will in other disciplines, sadly people don't do the maths and think a high class name will be the right way to go. Thankfully in the TB world you can get the figures of foals...
Quite a lot! Cusop Stud had the late great father of them all Bwlch Valentino. They have bred some superb ponies that today appear in the recent pedigrees. Cusop Dimension sired Broadgrove Chatterbox who was HOYS pony of the year. Llanarth Aristocrat is by Cusop Disipline. I'd love to know more...
The pony stallions on the continent are far and above anything we have over here. I will be using them next season on my RP mares, once I have decided
Most of them offer chilled semen. I can pm you some links if you wish.