Spider wobble is completely individual, so there's no more risk of wobble than crossing a spider to a normal. You might get some extreme ones alongside very minor ones.

Here is a useful thread about the odds of hatching a spider x spider clutch, if you were to go that route:
http://ball-pythons.net/forums/showt...pider-x-spider

In summary, it's hard to prove that spider x spider is deadly, but many of the odds point to a 25% chance of fatality in the clutch.