Vapers Tek also has some very good and unusual flavorings..Great company! I've ordered from them before and they carry very high quality products. They also offer a free 15 ml sample bottle for new customers--they just ask for 2 bucks to cover shipping costs.
Nicotine Sample Request - Nude Nicotine
My other favorite is Vapers Tek--probably the cleanest tasting nic base in the world.
Vapers Tek