"Better" is a relative term, as in "better fitting your level and playstyle".
They're not all that dissimilar. Rozena's a bit quicker, and has a higher speed plateau. That said, Vega Euro feels safer and produces spin a bit more easily.
And for me, Rozena was quite brittle, easily damaged, and degraded notably in the span of a few months, whereas Vega Euro was more durable, and degraded more gracefully.
As for other options, there are many. Too many. There's Donic Baracuda; also not too fast, very spinny, and it lasts. Recently, Andro Bype; I have a team mate playing with it. Good stuff, in the same ballpark; maybe a tad spinnier, probably a bit speadier. But a similar feeling of control and restraint. Durability is still in the air.
And then there's NIttaku Fastarc C-1. Which would be my choice, if I wanted a softer BH rubber.