I'm a frugal guy (raging skinflint) so the price of the Lee looks good to me.
And opinions?
There you go, answered your own question.
Get the cheapest enclosed frame set up you can find and cheap dies.
Nothing wrong with that either.
I'm assuming this is for 100 yd shoots or c.m.p. service rifle type qualifier shoots where all you need is minutes of shoebox.
Edit to add-
I have one of those lee single o-frames.
Worst priming setup ever, and its well documented. "You have to be mechanically inclined to get it to work right" is the typical battle cry. Wrong. Your Ikea furniture assembly skills won't trump my 28 yrs of turning wrenches.
Made by the lowest bidder. Not sure what grade of cast they're using these days. I'm pretty sure they assemble them, not actually machine anything.
Ram started to walk around after a year or so.
I use it strictly for de-priming and resizing.
If I had to get another, I'd get an rcbs or one of those single stage conversions for the 550