i got it from
www.amainhobbies.com for $130 and you can get free shipping on it. i think that's the cheapest you can get. i also got buncha upgrades by 3racing from
www.rcmart.com which brought my standard T to the level of the Plus version. that site has lots more stuff to offer for kyosho.
i haven't done much research about different engines, except what's been posted in this thread. the Plus has same chassis as regular T, so whichever engine works in one, will fit the other.
seems like OS .12-.18 engines fit with the engine mounts from the FW05R or S, can't remember. i was thinking of getting the .18 cvrx, and it was 20 bux less, but then i would need a new header and possibly pipe, flywheel, clutch and probably clutch bell with pinions. the total cost and trouble of looking for compatible parts steered me away from that option. i just wanted to play again
so maybe some day i'll get OS ...