I'll insert an opinion that the best case for a gigging musician is the SKB...
For a Les Paul guitar it's the SKB-56. These are pricey but excellent.
For an SG it's the SKB-61. Watch for these to go onsale if you want a new one.
Otherwise, check eBay and Amazon for the best prices. New, the list price is near $150.
I have been able to score two of these when the went onsale at M/F for like $89.
That's the best price I've seen.
I began when I bought my used Telecaster deluxe replica... the sales guy showed me a number
of cases that would fit the Tele, but I went for the SKB case that fits the tele...
After using it for a few years, I noticed that the darn case is nearly impervious to anything but a
bullet, or a blow from an axe. Not only that, but it doesn't damage other (lesser) cases when stacked
with them in the back of a van. Hard to beat... it does no harm and it takes none.
If you're not driving to dodgy areas, playing dicey gigs for what ever they pay you, then you can get
by with something else. But if you are, use the SKB... I believe that it can even go on an airplane without
harm. They have TSA approved latches anyway, and seem very tough.
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