I would change everything!
Return of the Orchestra
Return of language rule
Randomly drawn running order
Reduce length of the interval
No Comedy Sketches, as these don't seem to work.
Postcards show the host nation
Semi Finals
Each participating country split into six groups based on previous voting patterns, and divided equally between the two semi's.
All countries can vote in both semi finals.
100% televoting, but countries can only vote for songs in other participating groups. E.g. if Group A featured Serbia, Montenegro, Croatia, Slovenia and F.Y.R. Macedonia, these countries could not vote for each other.
Top 8 Qualify.
Final
100% Televoting, all countries can vote for any country except their own.
Ten Automatic Qualifiers:
Big 5
Host Country (or next highest ranked nation if Big 5 country is host)
Most recent Junior Eurovision Winner (or next highest if already qualified)
Most recent Eurovision Dance Contest Winner (or next highest if already qualified) - it would be back if I was in charge
Most recent EYM Winner (Even Years) or EYD winner (Odd Years) (or next highest if already qualified)
Most Recent Eurovision Choir of the year winner (or next highest if already qualified) (Odd Years) or randomly selected wildcard (even years)
Top eight qualifiers from each semi final
All points read out, with the camera cutting to each of the 8-12 points as they are awarded.