Based on the results of this poll @ 484 votes:
https://bitcointalk.org/index.php?topic=359521.0The top 5 alt coins with the most potential besides LTC are:
1) Quark 69 (14.2%)
2) Stablecoin 59 (12.2%)
3) Worldcoin 41 (8.5%)
4) Megacoin 31 (6.4%)
5) Digitalcoin 24 (4.9%)
Which one would you like to see next on BTC-E?
Edit: DigiByte added 1/15/2014 after much support in the Poll listed above.
RIP stablecoin ... still alive but down in the low cap alts pools
otherwise this 2 yr old list is still valid but the former top ALT5 are now at the lower end of ALT42
---not bad nearly all still alive---
POLL: Which Alt Coin will see the most growth in 2014?
WDC - Worldcoin - 219 (7.7%)
DGC - Digitalcoin - 72 (2.5%)
NMC - Namecoin - 26 (0.9%)
XPM - Primecoin - 64 (2.2%)
FTC - Feathercoin - 28 (1%)
FST - Fastcoin - 17 (0.6%)
MEC - Megacoin - 53 (1.9%)
QRK - Quarkcoin - 364 (12.8%)
SBC - Stablecoin - 129 (4.5%)
FRK - Franko - 63 (2.2%)
ANC - Anoncoin - 32 (1.1%)
LTC - Litecoin - 264 (9.3%)
GLD - Goldcoin - 34 (1.2%)
FRC - Freicoin - 4 (0.1%)
SRC - Securecoin - 11 (0.4%)
DTC - Datacoin - 52 (1.8%)
PTS - Protoshares - 68 (2.4%)BSS - Bosscoin - 9 (0.3%)CNC - Chinacoin - 3 (0.1%)
SXC - Sexcoin - 51 (1.8%)
BBQ - BBQcoin - 6 (0.2%)
NVC - Novacoin - 12 (0.4%)
BTB - Bitbar - 8 (0.3%)
TAG - Tagcoin - 13 (0.5%)
PPC - Peercoin - 62 (2.2%)
NXT - Nxtcoin - 140 (4.9%)
GRC - Gridcoin - 14 (0.5%)
IFC - Infinitecoin - 61 (2.1%)
MSC - Mastercoin - 14 (0.5%)
ZET - Zetacoin - 25 (0.9%)
CGB - Cryptogenic Bullion - 19 (0.7%)
TRC - Terracoin - 4 (0.1%)
DVC - Devcoin - 13 (0.5%)
DEM - Deutsche eMark - 42 (1.5%)
CAC - CasinoCoin - 14 (0.5%)
RED - Redcoin - 5 (0.2%)
DOGE - Dogecoin - 421 (14.8%)
EAC - Earthcoin - 60 (2.1%)
LOT - Lottocoin - 42 (1.5%)
DGB - DigiByte - 227 (8%)
UNO - Unobtanium - 22 (0.8%)
USDE - - 7 (0.2%)
VTC - Vertcoin - 39 (1.4%)
MAX - Maxcoin - 6 (0.2%)
NOBL - Noblecoin - 7 (0.2%)
42 - 42 Coin - 1 (0%)
RDD - Reddcoin - 3 (0.1%)