L ike delicious food? Great cocktails? What about vinyl records and retro vibes? The just-opened Seager & Sons check all those boxes with its effortlessly cool debut at The Boardwalk at Granite Park in Plano. Seager & Sons is delicious and fun – but so are numerous restaurants in Collin County. What makes this place unique is just that: It’s different. How many places in North Texas can you order potato skins, fried chicken, pizza AND lobster thermidor OR a shrimp cocktail while listening to “More Than A Feeling” on vinyl? (If you’re in former teenybop dreamboat Leif Garrett,…