[CoolNard]

Does he have a policy of sticking to the 'original' beyblade parts or does he include the 'fake' stuff as well?

Btw, the 'fake' stuff are a ton more effective than the 'originals'.

However, if your son prefers genuine beyblade parts, then maybe you could merge it with another 'original' beyblade? Eg. Dragoon top + Dranzer bottom. Of course, you can always choose to combine it with more than one other beyblade. ^_^ Oh, and setting the weightdisk upside down strengthens your blade's spinning velocity by a fair bit
Personal experience:
Before changing weightdisk's position - spinning against the wall, no sparks.
After overturning weightdisk's position - spinning against the wall, flying sparks.
Naturally, the wall was a little on the rough (factor) side... So it was a good tool for experiments. =P