We've been getting "attacked" technically for the past day. The servers are more resilient than before due to load balancing, but it has caused some connection/idle issues. The accounts are being automatically banned as they crop up, it hasn't been too hard to spot the malicious users, but it isn't possible to filter them until after they've caused some performance issues.
Things have been improving steadily for the last few hours.
Additionally, we've opened up a Pay-per-Share version of BTC Guild, accessible at
http://pps.btcguild.com . This is REAL Pay-per-Share, not SMPPS/PPLNS, meaning there is no concept of backpay/limits on your rewards. You get 'X' per share (based on difficulty, with a fee of 7% compared to Deepbit's 10% PPS), and it is available for withdrawal immediately without any type of confirmation timer [0.10 minimum payout].
The new pool server is running on PoolServerJ. Since this pool software hasn't been tested as thoroughly as pushpool, BTC Guild's PPS pool is considered beta. Share submissions and rewards are secure, but if the pool crashes it may not automatically recover like our pushpool servers do. As such, it is recommended you use a miner with the ability to failover to another server when using BTC Guild (PPS Beta).