I essentially already had a new transmission(rebuilt) so there was no point in buying the 330 tranny for other than the point that you made(and I didn't have the extra money to spend at the time). I get better gas mileage than the 300 motor but that could be partial to the fact that my last motor had 250,000miles on it. It seems to be quick from a dig, but I've never broken 90 in this thing. It's not my IS300 so I don't treat it as such

Only thing I really wish I had with this car was DVD Nav and the roof racks, but I got an offer I can't refuse on the car so it may be gone by the end of next week..not sure what I'll get next

 

Too bad this guy blew out on us here before giving us actual details on the swap.

 

I traded my 01 RX 300 for my 05 RX 330. There really isn't that much difference in power. But the extra fifth gear in the trans makes it a much better highway cruiser. Now, if you really want to notice a difference in power, drive an RX 350. That 3.5 liter is no joke.