Secondlife have a fair spread and is player to player.
They take 3.5% of fee when you are transfering it to USD. (Sellers)
Buyers are charged charged a 7.50% transaction fee with a minimum of US$ 1.49 and a maximum of US$ 9.99 per transaction
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The current spread on Lindex (SL Forex) is :
BUY: L$242 / US$1.00 (L$14,816 Remaining)
SELL: L$249 / US$1.00 (L$29,411 remaining)