Good client viewing monitor

Looking for suggestions on a good client viewing monitor. I am currently grading on a TV Logic XVM 245W. I have looked at plenty of posts on here but would like to stick with a plasma without spending a ton of money. Also I have only SDI out which I see that most low or mid end Plasma's have only HDMI in. I was told that with a converter that some of the speeds will not work. Has anyone had any experience with this? Seems like Panasonic gets a lot of votes.....