Out of curiosity, how long using an IDE did it take you to get back to the productivity you had with Vim? Also what IDE is a good replacement for Vim? (I tried

Out of curiosity, how long using an IDE did it take you to get back to the productivity you had with Vim? Also what IDE is a good replacement for Vim? (I tried a couple of times switching to Eclipse but was too frustrated so quickly got back to Vim)