It seems like you are more familiar with Cambridge. And here I can talk about something I know about Scripps.
1) Funding. After first-year rotation, you will formally go to a specific lab, and PI will support you for the last few years. I also overheard something about Scripps was losing money. But as I know, Scripps Florida, unlike its headquarter, is a young place and partly sponsored by Palm Beach County, so maybe this place is more promising.
2) Reputation. Scripps is not as famous as Cambridge. It is only known by people in the biological field. From my pe