You should read my blog on the subject which you can find on my profile.
In the meantime, look at it this way...
Would you rather find out there's a problem with a car you39;re going to buy and have the seller pay for it so it's totally fixed prior to the purchase being made or would you rather going into the sale blind and hope there's not problems down the road?
Pay close attention to the 22.1 disclosure which will tell the tale of the building. Special assesments are not necessarily a bad thing and if the work is done right- it should be one less things to worry about for years to come.