Similar to what other users say, I also experience lag or delays when playing slots. I can't share about withdrawal since I didn't have done one.
Anyway, I just want to bump this contest sponsored by Casinopunkz: https://bitcointalk.org/index.php?topic=5520684
There are only 3 days left to hunt for your highest slot multiplier. Currently, only 3 participants, including me, have submitted their entries, but I’m sure more participants will join before it ends. See your entries there. Good luck.