Actually, I recently purchased a turbo truck for the same reason you went with the v6, I just wanted some highway hill climbing power, which is where the 22re lags. I think the 22rte is the best of both worlds, feels the same as the v6 on the highway yet still very easy to work on and one can do a complete engine rebuild in a week or so if anything ever happened, milage is much better as well. I just can't stand having a vehicle thats a pain to work, and never know when the head gasket might go. Why can't you cruise at 75 up hill on the freeway with the 4cyl? The 22re in my 4runner does very well at highspeed going up hill, it's curvy steep passes that it doesn't do to well on. Having driven many different 4cyl's I can say the power really varies between trucks, some feel pretty strong while others will really be laggin, maybe you drove the crappy ones. Since the engine is so simple I don't see it as a mess of timing chain guides and headgaskets, you replace the guides once with metal ones and don't have to worry about them for a looong time, as opposed to "most" v6 head gasket blowing several times, you got lucky. Upgrades are very fun to do, you learn to work on your truck while increasing the power. Anyways back to the topic, like I said do the 2.7 taco swap, it hasn't "been done" by anyone known, so you can be the first. You end up with nearly the same ease and simplicity of the 22re with just as much power as the 3.0 stock.