PayPal is horrible, period. Part of their business model is the sequestering of funds on the (proven) assumption that a portion of these will simply never be reclaimed and can then fall right through to the bottom line. Do not EVER link your PP account to your primary bank account. There are many, many stories of large, random dips with repayment stonewalled right up until the initiation of legal action.
If PayPal wasn't so ubiquitous in our gear trading milieu, I wouldn't touch them with a ten-foot pole.