Your very unlikely to find raiding with your guys following on dps effective and likely a detriment to the raids success. It's not a gearing or know how to play issue as those problems could be easily overcome with 10mans with friends and gearing to raid level gear can be done in a few days.

There are a lot of gtfo of the fire, exploding debuffs, area transitions and so forth that are going to be massive issues to overcome. Not just a 'progression' level but with mundane raiding.

Having all one class, especially all one role is more of an issue. If you had shaman, druid, paladin or what not you could weave your characters solo into raid slots and lockouts easily. With the hunters its hard to get the roles right, especially with the buff loss that your additionally bringing to the raid.