So far I've used my SP4 for 3 days. Impressive! I'm not leaving without a keyboard, but I'm going to buy one today so I can type faster. No hiccups yet. Everything is working well. Video editing is suitable for 1080p videos. I haven't tried 4K yet. All programs load very quickly! I wouldn't use that for drawing. I found the stylus lagged a bit on first touch when playing around with Adobe Photoshop. I may update my review later as I use it more extensively. So far it has been worth the investment to replace my old desktop computer. Update: August 26, 2016 I edited a 4k video and rendered it to 1080p. I figured the i7 SP4 with 16GB RAM would handle the workload. It is, but you must leave SP4 alone while rendering. This slowed SP4 down to the point where I can't even log into Google Chrome to browse the web. Conclusion: I will buy a 15-inch Mac Book Pro with a dedicated graphics card built into the laptop for easier rendering. Extended battery life. I hardly ever use the touch screen functions on this SP4. Previously I had to use a Mac Book Pro 15".
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