If you like a fruity tripel that is low in phenols, like I do, SafeAle BE-256 (formerly called Abbaye) makes a pretty good tripel.
Last year I did a split batch between Abbaye and Mangrove Jack's tripel yeast. The Mangrove Jack yeast would not flocculate, whereas the Abbaye finished and dropped quickly. After 5 weeks in the primary without dropping, I ended up kegging the Mangrove Jack batch with gelatin, then transferred the beer after a couple of days to another keg.
Both made tasty tripels. My past tripel brewing procedure was to brew 10 gallons of 1.050 Belgian single and split between WY3522 (Lachouffe) and WY3787 (Westmalle), then use the yeast cakes to brew tripels. While the dry yeasts may not provide the complexity of those liquid yeasts, I found them very good. The beer seems to take a lot longer to age, but after a couple of months they were outstanding.