If you missed last month's sale on the base iPad, you have another opportunity to pick up the tablet for less right now. Amazon knocked $30 off the 64GB, WiFi-only iPad, bringing it back down to a near record low of $300. At the time of writing this, both the silver and space gray models have this discount and you can even save on the 256GB model, too, if you want the extra space. The higher-capacity iPad is $50 off and down to an all-time low of $429. Buy iPad (64GB) at Amazon - $300Buy...