Personally, as regards this saber and the ESB version, you can't do any better than a real vintage Graflex flash unit.
BUT... if you collect the MR sabers, they would be a must for your MR collection. I would lean towards the SE and the EE sabers, though.
They are very well made, that's for sure.
As far as the Prequel sabers go, you can't do any better than MR.... mainly because of the LF license and the fact that they had the original film props on hand to measure and copy perfectly.
- Jim :fettrotj