Andy's right. A well set up RWU NSR250 front end can be very good. The MC28 SP suspension offers a little more control on the adjustment. The rebound adjuster (on top of forks) also controls compression to a small amount. This is not so on MC21 forks or MC28 SE.
The RVF front end can be made to perform, and it does look clean and tidy. But yes, you do need to consider other factors such as disks and what have you.
As for RS250 USD forks...who needs steering lock when they look this good and perform this well.