Rainbow boa. Can't beat em for wow factor, they're in your size range, and for the most part they have good temperaments.

Or, if you like glossy black but want something bigger than MBK, how about a black milk snake?
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0.1 Peruvian rainbow boa (Amaru)
2.0 Brazilian rainbow boas (Arco, Olho)
1.3.1 Honduran milksnakes (Chicchan, Chanir, Hari, TBA)
1.0 Thayeri kingsnake (Coatl)
0.0.1 Mexican black kingsnake (Mora)
2.7 corns (Cetto, Tolosa, Uce, TBA)
1,000,000.1,000,000 other critters

[ Hide Replies ]

• Pick my next pet! - turtlejo, Fri Jul 23 06:13:01 2010
• RE: Pick my next pet! - DanW, Fri Jul 23 06:27:38 2010
• all great responses! - turtlejo, Sat Jul 24 17:43:03 2010
• RE: all great responses! - amazondoc, Sat Jul 24 18:03:11 2010
• RE: all great responses! - amazondoc, Sat Jul 24 18:04:49 2010
• RE: all great responses! - varanid, Sun Jul 25 09:22:46 2010
• RE: Pick my next pet! - varanid, Fri Jul 23 10:00:57 2010
• More info please - markg, Fri Jul 23 12:31:32 2010
• RE: Pick my next pet! - amazondoc, Fri Jul 23 14:36:38 2010
• what about a - joann42, Sat Jul 24 17:24:16 2010
• RE: what about a - Bryant_King, Sat Jul 24 19:14:55 2010