If I'm honest with myself: yes, probably.
But... the only reason I would buy it is because this appears to be the only thing I'm going to get as far as official products and I absolutely love this game.
This does not mean I'm particularly thrilled with the format or owning yet another physical book.
I get excited when these books come out because it signals the availability of their digital assets, like maps, artwork, FG modules, etc.
If they would do a PDF, I would buy that right away at full price.
I DM. I do it well. I get fully invested into my campaigns. I shoot for verisimilitude. I make high-quality handouts, use digital battlemaps, professionally painted GF9 minis, terrain, etc. I am a diehard fan.
And it's a good thing I'm a diehard fan. Because I feel like I have to fight through Wizards of the Coasts' boneheaded digital product policy in order to bring my campaigns to life.
I am sick and tired of needing to haul around and cross-reference multiple physical books when I really want to organize my campaigns like I do everything else in my life: digitally. This isn't 1980, no, forcing us to use proprietary tools like FG to view information electronically doesn't count. I have legal PDFs of my books. How? I send them to a bookscanner and pay him money on top of the cost of the physical book, who shreds the original copy of the book when he's done to prevent copyright issues. There has got to be a better way for me to pay for digital copies of 5e rulebooks.
As it stands, they are doing a really good job of making pirated digital copies seem incredibly appealing.
We are in the year 2015. I tag, sort, organize, structure, combine, and execute everything like I would a work project: digitally. Why? Because I don't like to waste my time thumbing through physical books or printing off third-party indexes from ENworld for my PHB so I can find things faster because WotC doesn't have a digital publishing strategy. I like to run things by the book and I don't like wasting time flipping through books at the table when Billybob the Bard thinks that Countersong or whatever it's called gives him advantage on skill checks. I prefer to type a few keystrokes, pull up the relevant page and show it on a big-screen TV so Billybob stops talking within seconds of opening his clueless mouth and we can get back to the game.
I feel like forcing me to accept this stuff in a physical format is WotC telling me that they are unable to adapt to the realities of modern living and are clinging to a dying business model.
I recognize I am an outlier and they shouldn't necessarily cater to me, but I cannot tell you how much I love Paizo for letting me buy digital products, maps, and art directly from them so that I can easily use them in my own campaign instead of having to hunt around online for the original artist or scan in portions of my physical products. If I wasn't so in love with the D&D brand and 5e mechanics, I would defect to pathfinder simply because their digital strategy is so much friendlier for people like me.
Are they really curbing piracy? I don't know. You didn't have to look very far to find all the key crunch leaked for SCAG. I have a player that's using one of the SCAG options even though I can all but guarantee he never bought the book.
WotC infuriates me sometimes, especially when I see them release digital copies on DriveThruRPG of old products from past editions: I can hardly wait for 6th edition because then I'll be able to buy a digital 5th edition. :|
/end rant
Again, I know I'm the minority and everyone else loves physical books. I know I'm overreacting. I just wish it was easier for me to use the incredible material they've written in a way that is time-efficient for me.
I would buy a SCAG PDF for $40. I would buy a SCAG PDF + Mike Schley's full maps + Printable Spellbook cards for the new spells for more. But I recognize others would not. Maybe this is the smart play for them as a company, but there has got to be a better way.