There aren't any red flags with any of the signings. All have good highlight reels or stats, or both. This was in stark contrast to the signing of the likes of Kukharevych, who had a handful of good games for Hibs by way of pedigree.
Good stats and impressive scouting reports doesn't guarantee anything of course. When we signed Bennett, he had a very decent Premier League pedigree behind him, and although he had his moments, his period with us was pretty underwhelming. Daniel Comolli (DoF at Liverpool and Spurs) is quoted along the lines of - We go through the exact same detailed process with all players, and whilst some still turn out to be World class, others fail miserably.
We need to be patient with those coming from overseas, such as Inoussa and Widell, given the settling in period tends to be longer.