How do lawyers view Bitcoin?
There have been plenty of dollars spent on lawyers by Mt. Gox, BitInstant and others, but for specific legal issues.

For instance, a decision after Mt. Gox sued its bank in France:


https://bitcointalk.org/index.php?topic=41317.0


There is the CryptoCurrency Legal Advocacy Group:


http://en.bitcoin.it/wiki/Cryptocurrency_Legal_Advocacy_Group
http://www.theclag.org


There is an argument that Bitcoin isn't a security (in the U.S.):


http://www.lextechnologiae.com/2011/06/26/why-bitcoin-isnt-a-security-under-federal-securities-law
http://www.lextechnologiae.com/2011/06/17/extending-real-world-laws-to-virtual-worlds-is-a-terrible-idea


Is Bitcoin a commodity then? 


http://blog.bitcointitan.com/post/17789738826/what-u-s-regulations-apply-to-bitcoins-as-commodities


Other links:

Ruben Grinberg's paper:
Bitcoin: An Innovative Alternative Digital Currency


http://papers.ssrn.com/sol3/papers.cfm?abstract_id=1817857


Real legal issues with virtual currencies:


http://www.networkworld.com/newsletters/sec/2010/051010sec2.html


Quora: Is Bitcoin Legal?


http://www.quora.com/Is-Bitcoin-legal


There are even lawyers who accept bitcoin:


http://en.bitcoin.it/wiki/Trade#Legal_Services
http://bitcointalk.org/index.php?topic=65482.0


But that's about the extent of it, thus far -- at least what's publicly known.