i ran the TS carts and tubes the other day and thought they were good, but not good enough to justify the price, ouch. thus far i like the fantom carts and FKI tubes the best. i'm going to grab some samples of helios as suggested above. i do like that the TS's labeled as lead free etc but still that price point is a bitch. when is Blackclaw going to do right and get in on the carts game. i was using those with love when i made the jump to carts.