I have owned at least a dozen Winchester 100s and still have 3, 1x243 and 2x308.
The only problem that I've ever had with them is that I had to replace an extractor on a 308, other than that the 243s and 308s have functioned fine if kept spotlessly clean. The triggers aren't what you;d call "crisp", but these are hunting rifles, not target rifles.
The 284s that I've had were all very sensitive to the magazine, in that some rifles would work with some magazines, but not with other magazines that appeared to be identical.
I like the 100s better than the 88s and have only kept 4 88s around because they are chambered in 284, 2xcarbines and 2xrifles.
