Tigé's RZ4 is the company's biggest boat, and it sacrifices none of the luxurious style and big-surf performance of the rest of the line. The RZ4 is all about style on the inside. The second you see the RZ4, you know the company spent a lot of time on design detail. Marine-grade vinyl with multiple colors, textures and stitching patterns cover soft, ergonomic seating for 17. Cup holders are scattered throughout, and multiple wet-storage options are great for cold beverages. The helm features the boat's touch screen, which controls most functions in an easy-to-use, smartphone-esque system, and is backed up by analog gauges. If you want the ultimate in luxury, upgrade to the Z-Cline Captain's Chair, which is the industry's most comfortable seat, bar none. It has a recline function,…