I had a project Xpression. nice TT but the HW-19 mk iv blew it away. Don't no about the Pro-ject RM 5.1 but VPI makes solid tables.
If i was buying new i would go for the Traveler. If used an HW-19 mk iii or iv.
If i was buying new i would go for the Traveler. If used an HW-19 mk iii or iv.