Simple, worth is always highly subjective no matter what the topic. I find it worthwhile to me to have the option at my disposal. Whether you find it worthwhile or not is an entirely separate matter.simple, do you think iPad 3G is really useful? or wifi connection will be enough?
Better and good are also highly subjective words. Don't assume that your preferences are universal. Be specific in explaining why you think something is better or good so the person reading your post can make an assessment using his/her own priorities.Its Depends on your usage but 3G is better one it has a good features.
iPhone 4 personal hotspot ftw