Yes they will have enough time if they are solid eaters. I would buy them if they looked like excellent examples of the morph. If they aren't what I consider to be a GREAT looking spider or pinstripe, I'll pass. I'd rather save the money to buy a SWEET spider.
I don't think the head wobble is a deal breaker with spiders.. That's my personal opinion though. It's up to you. My spiders are doing great.
Just because your spider has zero head wobble doesn't mean the babies won't have any head wobble.