buying it off ebay would save money but doesnt do much for the industry, the profits from the more expensive stuff paves the way for better stuff...
so if your tight on money get it but if youve got it to spare help us all out a little...
as far as the place racing chip, im not sure, your already running a pretty high c/r especially with pump gas so it gets more important that th tune be just right, i dont think i would do much racing with that ecu but if you just use it til you can afford some hondata and a dyno tune it should be fine