We did both in July. Scrub is a really nice change. Best showers in the BVI, nice shops (don't expect to buy much in way of provisioning though as everything is 2-3X cost on Tortola), awesome pools and trampoline if you have kids. We loved relaxing in the pool and being served drinks. Leverick is awesome too, the people, shops, Beach BBQ. As others have said, just different.