Yea, any large scale brushless combo would be much stronger than the Titan 775. Tekin RX8, Castle Mamba Monster Maxx, HPI Blur/Tork, Xerun 150A 2000kv combo, or if your on a tight budget the Xerun 80A 2200kv would be a nice upgrade. But I ditched the dual 2075's in my Revo Brushless Edition and grabbed up a JR z9000t (digital, 330oz/in) and it was a worthy upgrade. Faster more responsive steering and more torque. Just make shure you get above 250oz/in..
But brushless is well worth the money. No motor replacement and from what ive seen the 775 isnt the cheapest stock motor out there. Longer run times as well.