tippmans are rock solid, they never break, but they have lots of problems. balls don't curve in a 98 Custom either I've noticed.
However, with a spyder you have excellent ballance. it isn't unbreakable, but its pretty low matience. they shoot straight and perform well. The TL is an EXCELLENT model. I have a few friends that have those models and they are very pleased. just upgrade the barrell and your set for a long time
-Chris