The game is actually too big.
Not that the map will be much bigger than Oblivion's. According to the interview the maps are about the same size. Howard said
If you put the maps on top of each other it is about as big as its predecessor. But Skyrim is different because of all the mountains that form our routes.
The terrain makes it smaller in practice, but you spend more time trying to move through it because they often can not be crossed. So it probably seems bigger.

He also said that there will be six or seven different types of environments, which should provide quite a bit of variation in the game world. The image to the right shows one of these environments. Howard stated
You have already seen the spruce forests and mountain-ranges. We also have grassy tundras, a volcanic tundra, a forest in the theme of autumn and a glacier.
Concerning dungeon, Howard stated that there will be around 120 dungeons in the game. He also said that there will be more diversity among the dungeons/caves in Skyrim than there was in Oblivion. Dungeons and caves in Skyrim will range from ice-coated to vegetation-covered and will all maintain some degree of uniqueness.
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and set the jokingly in bold red letters like that
Sadly yes @ dvd capacity - and before anyone even thinks bluray - they're too slow given
we still have ingame loading from the medium...
After summer (after earning some money^^), I'm going to spend 900$ on some new PC equipment. Is it necessary? No, but I just want it.
Everyone know that game companies get the most money from consoles unless it is PC only. (That is one thing I don't get WOW is supposedly the most sold series of a game series in the world. TES has far reached beyond that. So I don't know, Oblivion has sold 1.9 million in the first month or two I think. It is probably beyond 15 Million now.)
What I think Bigger + Detailed + Fun = Epicness. If it is not fun which everyone of TES so far were fun in my opinion. I won't play it. Still modding is a great part of TES series I could live without out it, yes (1000's of hours played of Oblivion alone back in the day, 360. Decided to get PC because of the awesome mods I saw on youtube.) But mods add more fun and playability to it. So in all I pick PC over consoles.
And I assure you I'm not confusing big with great.