Online Boutique stores?

The town I'm from has average stores, Rue 21, Express, Wet Seal, New York and Co., I have to travel about 30 mins to get to boutique stores that have cute unique, vintage, stylish clothing. I'm looking for an online store that has cute clothing for someone in their 20's that doesn't want to dress slutty, but not look 10x their age.I'm into vintage, unique clothing. I don't like the cheap girly stores with poor quality clothing. However, I don't want to pay 100 for a shirt. Does anyone know of any online stores that they've had good luck finding clothes?