I am using a Samsung SSD 830 Series 64GB in my main machine. That works quite well and is certainly large enough for a Mint system without much data on it. I'm actually even dual-booting Mint 13 and 14 on one SSD.
If you have bought an SSD, I'd suggest doing a clean installation on it, if you use the Btrfs filesystem instead of ext4 then it's automatically enabling TRIM and such. Also, I'd create no swap partition unless you really need one. You can simply create one Btrfs partition on the SSD with GParted, then choose "something else" in the installer: double-click your partition, set / as mount point and bootloader on /dev/sda (your SSD's name should appear here).
Alternatively you can use this how-to for setting up Mint on SSD: viewtopic.php?f=90&t=79503#p461796
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