Yes, Lowestoft folk have moaned for years about the sad appearance of Ness Point, the most-easterly point in the British Isles and the U.K. Folk have talked about possible sculptures and monuments for years but nothing ever comes of it - unless you count the 'unremarkable' (I agree!) Euroscope.
The turbine you refer to is indeed 'Gulliver'. It was, when constructed, and still is, I believe, the tallest wind turbine in the UK.
The Transport Museum is worth a visit. On special event days, the old buses drive around town, offering folk a shuttle service between the town and the museum, and on such days you can ride on a number of different buses, trolley buses and trams. There are normally posters and leaflets on the local buses advertising the museum.
Finally, Somerleyton Hall and Gardens are nice too, especially in summer. Make sure you explore the gardens and visit the maze there! Look out for the famous 'reject' clock too.
Have fun,
Stu