With its teardrop shape and retro-look ABS fenders, the new MPG travel trailer (shown at left) from Heartland Recreational Vehicles LLC, Elkhart, Ind., hearkens back to the early days of RVing. But the laminated fiberglass-and-aluminum MPG, available in four 19- to 20-foot floorplans, three with slideouts, is fully equipped with amenities such as ducted-air conditioning, wet baths with integrated toilets, solid-wood cabinet fronts with raised-panel doors, three-way refrigerators and two-burner stoves. Introduced at the recent Louisville Show, MPG retails from $13,650. Also on display at the busy Heartland exhbit was the new mid-priced dual-entry Caliber travel trailer with four 30- to 37-foot single- or double-slide floorplans with molded front caps, metallic gray fiberglass sidewalls, insulated slam-latch baggage doors and glazed cherry cabinets with MSRPs from $25,950. In the fifth-wheel category, Heartland introduced the Greystone in five 35- to 37-foot triple-slide floorplans with aerodynamic front caps that allow an 88-degree turning radius. Standard features include heated-and-enclosed underbellies, universal docking stations, raised-panel cabinets, high-gloss ”platinum” sidewalls and free-standing dinette with four chairs. Base MSRP: $35,665.