Mman, I take it you're not part of the judging team (although strictly you did not make scores public).
As for the speedmaps, I see no other winner than Peanut's Speed mine with all the others a close second
But to choose a winner beween VVV, TLF, Enslaved or ISV Dragonfly is hard (but feasible, even on Unreal).
Fortunately, life was made a bit easier for me due to a couple of errors in Enslaved which really hamper progress. The (very) good points have been mentioned and it was probably almost impossible given the timeframe to fix everything including the end-difficulty, but the end result didn't provide the same feeling of having played a complete map.
Similarly ISV Dragonfly has its (unquestionable) merits (e.g. originality) and again given the timeframe it doesn't seem possible that a complete adventure could be provided. It certainly leaves the player wanting more, but I was expecting being able to feel I had finished a campaign.
That leaves me with VVV and TLF which are both complete stories with good implementation of difficulty settings, surprising environment, perfectly playable (ok, slight hitches here and there, but nothing drastic) and lots of new and surprising/unexpected events.
VVV gave me the true Unreal experience and could have been taken from the stock Unreal (which is probably of lower quality). I can't judge lightening, build and other technical stuff but its seems to be slightly better than TLF in that department and replay value is certainly high. Nicely staged battles and well spaced weaponry and health. It's damn hard to find anything wrong with VVV.
TLF is ... amazing, even in such a way that it seems impossible to have been made in 6 weeks. The MasterBlaster (or ClusterFucker, whatever) is a new weapon which makes its entrance with a real blast (I suspect this is custom content on which Waff has been working on before the contest - I am not insinuating anything, after all it was allowed - it is just that this weapon has such an eefct and yet in this map the environment is such that having the weapon is no guarantee for victory - I stand in awe at its use in the map). The size of the Fortress itself, especially the bridge to it, is extraordinary, as is the number of enemies (with different weaponry) encountered and the use of OddsOfAppearance (whatever) really gives an extra boost to replay value. Yes there are a couple of gameplay problems here and there but the sheer size and length, with difficult battles and sometimes puzzling but fitting means of progressing give it a slight edge over VVV. With the end scene the final push is given and I have to give the gold medal to Waffnuffly with The Last Fortress.
Again, my opinion is largely based on replay value, gameplay, the feeling of executing a Quest, and the time a map can keep me busy without becoming boring - this implies that in most cases when two equally entertaining maps are proposed I will choose the lengthier map because my pleasure-time is thus extended. Obvious errors such as HOMs, invisible walls, fall through areas I can notice but the more intricate subtilities of lightening, texturing and alignment are not taken into account (since I am totally under-noob in this respect).
So, in my book TLF is the winner with VVV a very close second, and bronze is shared by Enslaved and ISV Dragonfly.
Disclaimer - this is a personal and momentary opinion which may change as I replay every map.