I think the wobbly bolt issue is not neccessarily a dangerous one, just that given the weight and performance of the car it's not advisable. That said, there are plenty of members on here who have wobbly bolts, (with PCD 4x100) who have had no problems at all.
For me, I just wanted perfect fit wheels. To my mind, I couldn't justify buying bigger (expensive) wheels if they didn't just simply bolt on, but instead needed spacers/wobbly bolts, etc.
There are still a few manufacturers who produce wheels with PCD 4x98. AZEV, Anterra, Dare, spring to mind. But I'm sure there are more.
The other issue, having sourced wheels which have the correct PCD is whether they will clear the large Brembo brake calipers, and this I'm afraid, is going to be down to physically trying some wheels out, particularly if you want something different from others on here.
Hope this is of some help.