For a good looking, solid entry door, check out this Therma Tru Benchmark oval lite front door or this Therma Tru Benchmark 9 lite entry door over at Lowes. These nice Therma Tru exterior doors are truly nice and since they are made in fiberglass they are very durable as well and you won't have to deal with maintenance or problems such as termites or mold which can otherwise accompany regular wooden doors.
Within this collection at Lowes, you can find quite a few nice Benchmark entry doors in various designs. These units come in white, oak and mahogany, as well as many different styles in between. Below you can see the Therma Tru Willowbrook oak fiberglass door which has a very decorative oval lite glass window in the middle. This window has a beautiful etched designed on it, and the door has carvings to make it resemble wood even more. Further down you can see the Therma Tru white 9 lite grille exterior fiberglass door which feels a bit more square and straightforward, with less decorations. Both are very nice looking, however at Lowes you have even more to choose between from this collection, so you should definitely be able to find something that strikes your fancy, and also fits your budget.
Benchmark by Therma-Tru 36"W Willowbrook 3/4 Oval Medium Oak Fiberglass Door Left Hand
"Won't warp, split, dent or rust. Look and feel of real wood grain. Ready-to-install door with frame. Limited lifetime warranty"
Benchmark by Therma-Tru 36"W 9-Lite Exterior Grille Smooth Fiberglass Door Right Hand
"Prefinish Color: Primed White. Type of Door: Exterior. Door Style: Half Lite. Prefinished: No. Lockset Bore: Yes. Glass Style: Clear"
These doors are from lowes.com